From 3cbe0f44534451dfa99e88d3bdf8edc3ece95033 Mon Sep 17 00:00:00 2001 From: EC2 Default User Date: Mon, 24 Feb 2020 19:56:09 +0000 Subject: [PATCH 1/4] started --- coding-exercises/app.js | 72 +++- coding-exercises/index.html | 12 +- coding-exercises/skycons.js | 726 ++++++++++++++++++++++++++++++++++++ short-response/README.md | 10 + 4 files changed, 814 insertions(+), 6 deletions(-) create mode 100644 coding-exercises/skycons.js diff --git a/coding-exercises/app.js b/coding-exercises/app.js index d068975..3dbd7e6 100644 --- a/coding-exercises/app.js +++ b/coding-exercises/app.js @@ -1,10 +1,18 @@ window.addEventListener('load', () => { + /** * TODO : Create your 5 variables to get elements * based on the classes you created in the `index.html`. * * Define your variables below this comment. */ + + const newYork = document.getElementsByClassName('new-york')[0]; + const canvas = document.getElementsByClassName('animated-icon'); + const placeholder = document.getElementsByClassName('placeholder-32')[0]; + const span = document.getElementsByClassName('placeholder-F')[0]; + const div = document.getElementsByClassName('description')[0]; + if (navigator.geolocation) { navigator.geolocation.getCurrentPosition(position => { @@ -16,8 +24,44 @@ window.addEventListener('load', () => { * temperature, description/summary, and timezone. * Make sure to include error handling. */ + const getApiInfo = async(lat,lon) =>{ + const apiKey = '065ad3fe15434cfea6d6c1092979d8ba' + const getData = await requestMethod('GET',`https://cors-anywhere.herokuapp.com/https://cors-anywhere.herokuapp.com/https://api.darksky.net/forecast/${apiKey}/${lat},${lon}`) + console.log(getData) + const timezone = getData.timezone + const temperature = getData.currently.temperature + const summary = getData.currently.summary + const description = getData.minutely.summary + const icon = getData.currently.icon + + + newYork.innerHTML = `Location: ${timezone}` + placeholder.innerHTML = `Summary : ${summary}` + span.innerHTML = `Temperature: ${temperature}° F` + div.innerHTML = `Description : ${description}` + + setIcons('icon1',icon) + span.addEventListener('click',(e)=>{ + const convert = `${(temperature - 32) * (5 / 9)} ° C ` + + const celcius = Number.parseFloat(convert).toFixed() + + const fahreinheit = `Temperature: ${temperature}° F` + if(e.target.innerHTML === celcius){ + e.target.innerHTML = fahreinheit + }else{ + e.target.innerHTML = celcius + } + }) + } + + getApiInfo(lat,long) + + + /*TODO: Set the weather icon */ + /**TODO: Add an event listener that toggles between Fahrenheit and Celcius * when a user clicks on the current temperature section. @@ -28,5 +72,31 @@ window.addEventListener('load', () => { /** * TODO: Code out the remainder of `setIcons`function. */ - const setIcons = () => {}; + const setIcons = (icon,iconID) => { + const skycons = new Skycons() + skycons.add(document.getElementById('icon1') ,iconID) + skycons.play() + }; }); + +const requestMethod = (method, url , data) => { + return fetch(url, { + method: method, + body: JSON.stringify(data), + headers: data ? {'Content-Type': 'application/json'} : {}, + mode: 'cors' + }) + .then(handleError) + .then(response => response.json()) + .catch(err => console.log('Error')) +} + +const handleError = (response) => { + if (!response.ok) { + throw Error(`${response.statusText} - ${response.url}`); + } + return response; +}; + + + diff --git a/coding-exercises/index.html b/coding-exercises/index.html index c612ae3..8d6f968 100644 --- a/coding-exercises/index.html +++ b/coding-exercises/index.html @@ -9,22 +9,24 @@
-

PLACEHOLDER: New York

+

PLACEHOLDER: New York

- +
-

PLACEHOLDER: 32

+

PLACEHOLDER: 32

- PLACHOLDER: F + PLACHOLDER: F
-
PLACEHOLDER Description: Snowing
+
PLACEHOLDER Description: Snowing
+ + diff --git a/coding-exercises/skycons.js b/coding-exercises/skycons.js new file mode 100644 index 0000000..a869a20 --- /dev/null +++ b/coding-exercises/skycons.js @@ -0,0 +1,726 @@ +(function(global) { + "use strict"; + + /* Set up a RequestAnimationFrame shim so we can animate efficiently FOR + * GREAT JUSTICE. */ + var requestInterval, cancelInterval; + + (function() { + var raf = global.requestAnimationFrame || + global.webkitRequestAnimationFrame || + global.mozRequestAnimationFrame || + global.oRequestAnimationFrame || + global.msRequestAnimationFrame , + caf = global.cancelAnimationFrame || + global.webkitCancelAnimationFrame || + global.mozCancelAnimationFrame || + global.oCancelAnimationFrame || + global.msCancelAnimationFrame ; + + if(raf && caf) { + requestInterval = function(fn) { + var handle = {value: null}; + + function loop() { + handle.value = raf(loop); + fn(); + } + + loop(); + return handle; + }; + + cancelInterval = function(handle) { + caf(handle.value); + }; + } + + else { + requestInterval = setInterval; + cancelInterval = clearInterval; + } + }()); + + /* Catmull-rom spline stuffs. */ + /* + function upsample(n, spline) { + var polyline = [], + len = spline.length, + bx = spline[0], + by = spline[1], + cx = spline[2], + cy = spline[3], + dx = spline[4], + dy = spline[5], + i, j, ax, ay, px, qx, rx, sx, py, qy, ry, sy, t; + + for(i = 6; i !== spline.length; i += 2) { + ax = bx; + bx = cx; + cx = dx; + dx = spline[i ]; + px = -0.5 * ax + 1.5 * bx - 1.5 * cx + 0.5 * dx; + qx = ax - 2.5 * bx + 2.0 * cx - 0.5 * dx; + rx = -0.5 * ax + 0.5 * cx ; + sx = bx ; + + ay = by; + by = cy; + cy = dy; + dy = spline[i + 1]; + py = -0.5 * ay + 1.5 * by - 1.5 * cy + 0.5 * dy; + qy = ay - 2.5 * by + 2.0 * cy - 0.5 * dy; + ry = -0.5 * ay + 0.5 * cy ; + sy = by ; + + for(j = 0; j !== n; ++j) { + t = j / n; + + polyline.push( + ((px * t + qx) * t + rx) * t + sx, + ((py * t + qy) * t + ry) * t + sy + ); + } + } + + polyline.push( + px + qx + rx + sx, + py + qy + ry + sy + ); + + return polyline; + } + + function downsample(n, polyline) { + var len = 0, + i, dx, dy; + + for(i = 2; i !== polyline.length; i += 2) { + dx = polyline[i ] - polyline[i - 2]; + dy = polyline[i + 1] - polyline[i - 1]; + len += Math.sqrt(dx * dx + dy * dy); + } + + len /= n; + + var small = [], + target = len, + min = 0, + max, t; + + small.push(polyline[0], polyline[1]); + + for(i = 2; i !== polyline.length; i += 2) { + dx = polyline[i ] - polyline[i - 2]; + dy = polyline[i + 1] - polyline[i - 1]; + max = min + Math.sqrt(dx * dx + dy * dy); + + if(max > target) { + t = (target - min) / (max - min); + + small.push( + polyline[i - 2] + dx * t, + polyline[i - 1] + dy * t + ); + + target += len; + } + + min = max; + } + + small.push(polyline[polyline.length - 2], polyline[polyline.length - 1]); + + return small; + } + */ + + /* Define skycon things. */ + /* FIXME: I'm *really really* sorry that this code is so gross. Really, I am. + * I'll try to clean it up eventually! Promise! */ + var KEYFRAME = 500, + STROKE = 0.08, + TAU = 2.0 * Math.PI, + TWO_OVER_SQRT_2 = 2.0 / Math.sqrt(2); + + function circle(ctx, x, y, r) { + ctx.beginPath(); + ctx.arc(x, y, r, 0, TAU, false); + ctx.fill(); + } + + function line(ctx, ax, ay, bx, by) { + ctx.beginPath(); + ctx.moveTo(ax, ay); + ctx.lineTo(bx, by); + ctx.stroke(); + } + + function puff(ctx, t, cx, cy, rx, ry, rmin, rmax) { + var c = Math.cos(t * TAU), + s = Math.sin(t * TAU); + + rmax -= rmin; + + circle( + ctx, + cx - s * rx, + cy + c * ry + rmax * 0.5, + rmin + (1 - c * 0.5) * rmax + ); + } + + function puffs(ctx, t, cx, cy, rx, ry, rmin, rmax) { + var i; + + for(i = 5; i--; ) + puff(ctx, t + i / 5, cx, cy, rx, ry, rmin, rmax); + } + + function cloud(ctx, t, cx, cy, cw, s, color) { + t /= 30000; + + var a = cw * 0.21, + b = cw * 0.12, + c = cw * 0.24, + d = cw * 0.28; + + ctx.fillStyle = color; + puffs(ctx, t, cx, cy, a, b, c, d); + + ctx.globalCompositeOperation = 'destination-out'; + puffs(ctx, t, cx, cy, a, b, c - s, d - s); + ctx.globalCompositeOperation = 'source-over'; + } + + function sun(ctx, t, cx, cy, cw, s, color) { + t /= 120000; + + var a = cw * 0.25 - s * 0.5, + b = cw * 0.32 + s * 0.5, + c = cw * 0.50 - s * 0.5, + i, p, cos, sin; + + ctx.strokeStyle = color; + ctx.lineWidth = s; + ctx.lineCap = "round"; + ctx.lineJoin = "round"; + + ctx.beginPath(); + ctx.arc(cx, cy, a, 0, TAU, false); + ctx.stroke(); + + for(i = 8; i--; ) { + p = (t + i / 8) * TAU; + cos = Math.cos(p); + sin = Math.sin(p); + line(ctx, cx + cos * b, cy + sin * b, cx + cos * c, cy + sin * c); + } + } + + function moon(ctx, t, cx, cy, cw, s, color) { + t /= 15000; + + var a = cw * 0.29 - s * 0.5, + b = cw * 0.05, + c = Math.cos(t * TAU), + p = c * TAU / -16; + + ctx.strokeStyle = color; + ctx.lineWidth = s; + ctx.lineCap = "round"; + ctx.lineJoin = "round"; + + cx += c * b; + + ctx.beginPath(); + ctx.arc(cx, cy, a, p + TAU / 8, p + TAU * 7 / 8, false); + ctx.arc(cx + Math.cos(p) * a * TWO_OVER_SQRT_2, cy + Math.sin(p) * a * TWO_OVER_SQRT_2, a, p + TAU * 5 / 8, p + TAU * 3 / 8, true); + ctx.closePath(); + ctx.stroke(); + } + + function rain(ctx, t, cx, cy, cw, s, color) { + t /= 1350; + + var a = cw * 0.16, + b = TAU * 11 / 12, + c = TAU * 7 / 12, + i, p, x, y; + + ctx.fillStyle = color; + + for(i = 4; i--; ) { + p = (t + i / 4) % 1; + x = cx + ((i - 1.5) / 1.5) * (i === 1 || i === 2 ? -1 : 1) * a; + y = cy + p * p * cw; + ctx.beginPath(); + ctx.moveTo(x, y - s * 1.5); + ctx.arc(x, y, s * 0.75, b, c, false); + ctx.fill(); + } + } + + function sleet(ctx, t, cx, cy, cw, s, color) { + t /= 750; + + var a = cw * 0.1875, + i, p, x, y; + + ctx.strokeStyle = color; + ctx.lineWidth = s * 0.5; + ctx.lineCap = "round"; + ctx.lineJoin = "round"; + + for(i = 4; i--; ) { + p = (t + i / 4) % 1; + x = Math.floor(cx + ((i - 1.5) / 1.5) * (i === 1 || i === 2 ? -1 : 1) * a) + 0.5; + y = cy + p * cw; + line(ctx, x, y - s * 1.5, x, y + s * 1.5); + } + } + + function snow(ctx, t, cx, cy, cw, s, color) { + t /= 3000; + + var a = cw * 0.16, + b = s * 0.75, + u = t * TAU * 0.7, + ux = Math.cos(u) * b, + uy = Math.sin(u) * b, + v = u + TAU / 3, + vx = Math.cos(v) * b, + vy = Math.sin(v) * b, + w = u + TAU * 2 / 3, + wx = Math.cos(w) * b, + wy = Math.sin(w) * b, + i, p, x, y; + + ctx.strokeStyle = color; + ctx.lineWidth = s * 0.5; + ctx.lineCap = "round"; + ctx.lineJoin = "round"; + + for(i = 4; i--; ) { + p = (t + i / 4) % 1; + x = cx + Math.sin((p + i / 4) * TAU) * a; + y = cy + p * cw; + + line(ctx, x - ux, y - uy, x + ux, y + uy); + line(ctx, x - vx, y - vy, x + vx, y + vy); + line(ctx, x - wx, y - wy, x + wx, y + wy); + } + } + + function fogbank(ctx, t, cx, cy, cw, s, color) { + t /= 30000; + + var a = cw * 0.21, + b = cw * 0.06, + c = cw * 0.21, + d = cw * 0.28; + + ctx.fillStyle = color; + puffs(ctx, t, cx, cy, a, b, c, d); + + ctx.globalCompositeOperation = 'destination-out'; + puffs(ctx, t, cx, cy, a, b, c - s, d - s); + ctx.globalCompositeOperation = 'source-over'; + } + + /* + var WIND_PATHS = [ + downsample(63, upsample(8, [ + -1.00, -0.28, + -0.75, -0.18, + -0.50, 0.12, + -0.20, 0.12, + -0.04, -0.04, + -0.07, -0.18, + -0.19, -0.18, + -0.23, -0.05, + -0.12, 0.11, + 0.02, 0.16, + 0.20, 0.15, + 0.50, 0.07, + 0.75, 0.18, + 1.00, 0.28 + ])), + downsample(31, upsample(16, [ + -1.00, -0.10, + -0.75, 0.00, + -0.50, 0.10, + -0.25, 0.14, + 0.00, 0.10, + 0.25, 0.00, + 0.50, -0.10, + 0.75, -0.14, + 1.00, -0.10 + ])) + ]; + */ + + var WIND_PATHS = [ + [ + -0.7500, -0.1800, -0.7219, -0.1527, -0.6971, -0.1225, + -0.6739, -0.0910, -0.6516, -0.0588, -0.6298, -0.0262, + -0.6083, 0.0065, -0.5868, 0.0396, -0.5643, 0.0731, + -0.5372, 0.1041, -0.5033, 0.1259, -0.4662, 0.1406, + -0.4275, 0.1493, -0.3881, 0.1530, -0.3487, 0.1526, + -0.3095, 0.1488, -0.2708, 0.1421, -0.2319, 0.1342, + -0.1943, 0.1217, -0.1600, 0.1025, -0.1290, 0.0785, + -0.1012, 0.0509, -0.0764, 0.0206, -0.0547, -0.0120, + -0.0378, -0.0472, -0.0324, -0.0857, -0.0389, -0.1241, + -0.0546, -0.1599, -0.0814, -0.1876, -0.1193, -0.1964, + -0.1582, -0.1935, -0.1931, -0.1769, -0.2157, -0.1453, + -0.2290, -0.1085, -0.2327, -0.0697, -0.2240, -0.0317, + -0.2064, 0.0033, -0.1853, 0.0362, -0.1613, 0.0672, + -0.1350, 0.0961, -0.1051, 0.1213, -0.0706, 0.1397, + -0.0332, 0.1512, 0.0053, 0.1580, 0.0442, 0.1624, + 0.0833, 0.1636, 0.1224, 0.1615, 0.1613, 0.1565, + 0.1999, 0.1500, 0.2378, 0.1402, 0.2749, 0.1279, + 0.3118, 0.1147, 0.3487, 0.1015, 0.3858, 0.0892, + 0.4236, 0.0787, 0.4621, 0.0715, 0.5012, 0.0702, + 0.5398, 0.0766, 0.5768, 0.0890, 0.6123, 0.1055, + 0.6466, 0.1244, 0.6805, 0.1440, 0.7147, 0.1630, + 0.7500, 0.1800 + ], + [ + -0.7500, 0.0000, -0.7033, 0.0195, -0.6569, 0.0399, + -0.6104, 0.0600, -0.5634, 0.0789, -0.5155, 0.0954, + -0.4667, 0.1089, -0.4174, 0.1206, -0.3676, 0.1299, + -0.3174, 0.1365, -0.2669, 0.1398, -0.2162, 0.1391, + -0.1658, 0.1347, -0.1157, 0.1271, -0.0661, 0.1169, + -0.0170, 0.1046, 0.0316, 0.0903, 0.0791, 0.0728, + 0.1259, 0.0534, 0.1723, 0.0331, 0.2188, 0.0129, + 0.2656, -0.0064, 0.3122, -0.0263, 0.3586, -0.0466, + 0.4052, -0.0665, 0.4525, -0.0847, 0.5007, -0.1002, + 0.5497, -0.1130, 0.5991, -0.1240, 0.6491, -0.1325, + 0.6994, -0.1380, 0.7500, -0.1400 + ] + ], + WIND_OFFSETS = [ + {start: 0.36, end: 0.11}, + {start: 0.56, end: 0.16} + ]; + + function leaf(ctx, t, x, y, cw, s, color) { + var a = cw / 8, + b = a / 3, + c = 2 * b, + d = (t % 1) * TAU, + e = Math.cos(d), + f = Math.sin(d); + + ctx.fillStyle = color; + ctx.strokeStyle = color; + ctx.lineWidth = s; + ctx.lineCap = "round"; + ctx.lineJoin = "round"; + + ctx.beginPath(); + ctx.arc(x , y , a, d , d + Math.PI, false); + ctx.arc(x - b * e, y - b * f, c, d + Math.PI, d , false); + ctx.arc(x + c * e, y + c * f, b, d + Math.PI, d , true ); + ctx.globalCompositeOperation = 'destination-out'; + ctx.fill(); + ctx.globalCompositeOperation = 'source-over'; + ctx.stroke(); + } + + function swoosh(ctx, t, cx, cy, cw, s, index, total, color) { + t /= 2500; + + var path = WIND_PATHS[index], + a = (t + index - WIND_OFFSETS[index].start) % total, + c = (t + index - WIND_OFFSETS[index].end ) % total, + e = (t + index ) % total, + b, d, f, i; + + ctx.strokeStyle = color; + ctx.lineWidth = s; + ctx.lineCap = "round"; + ctx.lineJoin = "round"; + + if(a < 1) { + ctx.beginPath(); + + a *= path.length / 2 - 1; + b = Math.floor(a); + a -= b; + b *= 2; + b += 2; + + ctx.moveTo( + cx + (path[b - 2] * (1 - a) + path[b ] * a) * cw, + cy + (path[b - 1] * (1 - a) + path[b + 1] * a) * cw + ); + + if(c < 1) { + c *= path.length / 2 - 1; + d = Math.floor(c); + c -= d; + d *= 2; + d += 2; + + for(i = b; i !== d; i += 2) + ctx.lineTo(cx + path[i] * cw, cy + path[i + 1] * cw); + + ctx.lineTo( + cx + (path[d - 2] * (1 - c) + path[d ] * c) * cw, + cy + (path[d - 1] * (1 - c) + path[d + 1] * c) * cw + ); + } + + else + for(i = b; i !== path.length; i += 2) + ctx.lineTo(cx + path[i] * cw, cy + path[i + 1] * cw); + + ctx.stroke(); + } + + else if(c < 1) { + ctx.beginPath(); + + c *= path.length / 2 - 1; + d = Math.floor(c); + c -= d; + d *= 2; + d += 2; + + ctx.moveTo(cx + path[0] * cw, cy + path[1] * cw); + + for(i = 2; i !== d; i += 2) + ctx.lineTo(cx + path[i] * cw, cy + path[i + 1] * cw); + + ctx.lineTo( + cx + (path[d - 2] * (1 - c) + path[d ] * c) * cw, + cy + (path[d - 1] * (1 - c) + path[d + 1] * c) * cw + ); + + ctx.stroke(); + } + + if(e < 1) { + e *= path.length / 2 - 1; + f = Math.floor(e); + e -= f; + f *= 2; + f += 2; + + leaf( + ctx, + t, + cx + (path[f - 2] * (1 - e) + path[f ] * e) * cw, + cy + (path[f - 1] * (1 - e) + path[f + 1] * e) * cw, + cw, + s, + color + ); + } + } + + var Skycons = function(opts) { + this.list = []; + this.interval = null; + this.color = opts && opts.color ? opts.color : "black"; + this.resizeClear = !!(opts && opts.resizeClear); + }; + + Skycons.CLEAR_DAY = function(ctx, t, color) { + var w = ctx.canvas.width, + h = ctx.canvas.height, + s = Math.min(w, h); + + sun(ctx, t, w * 0.5, h * 0.5, s, s * STROKE, color); + }; + + Skycons.CLEAR_NIGHT = function(ctx, t, color) { + var w = ctx.canvas.width, + h = ctx.canvas.height, + s = Math.min(w, h); + + moon(ctx, t, w * 0.5, h * 0.5, s, s * STROKE, color); + }; + + Skycons.PARTLY_CLOUDY_DAY = function(ctx, t, color) { + var w = ctx.canvas.width, + h = ctx.canvas.height, + s = Math.min(w, h); + + sun(ctx, t, w * 0.625, h * 0.375, s * 0.75, s * STROKE, color); + cloud(ctx, t, w * 0.375, h * 0.625, s * 0.75, s * STROKE, color); + }; + + Skycons.PARTLY_CLOUDY_NIGHT = function(ctx, t, color) { + var w = ctx.canvas.width, + h = ctx.canvas.height, + s = Math.min(w, h); + + moon(ctx, t, w * 0.667, h * 0.375, s * 0.75, s * STROKE, color); + cloud(ctx, t, w * 0.375, h * 0.625, s * 0.75, s * STROKE, color); + }; + + Skycons.CLOUDY = function(ctx, t, color) { + var w = ctx.canvas.width, + h = ctx.canvas.height, + s = Math.min(w, h); + + cloud(ctx, t, w * 0.5, h * 0.5, s, s * STROKE, color); + }; + + Skycons.RAIN = function(ctx, t, color) { + var w = ctx.canvas.width, + h = ctx.canvas.height, + s = Math.min(w, h); + + rain(ctx, t, w * 0.5, h * 0.37, s * 0.9, s * STROKE, color); + cloud(ctx, t, w * 0.5, h * 0.37, s * 0.9, s * STROKE, color); + }; + + Skycons.SLEET = function(ctx, t, color) { + var w = ctx.canvas.width, + h = ctx.canvas.height, + s = Math.min(w, h); + + sleet(ctx, t, w * 0.5, h * 0.37, s * 0.9, s * STROKE, color); + cloud(ctx, t, w * 0.5, h * 0.37, s * 0.9, s * STROKE, color); + }; + + Skycons.SNOW = function(ctx, t, color) { + var w = ctx.canvas.width, + h = ctx.canvas.height, + s = Math.min(w, h); + + snow(ctx, t, w * 0.5, h * 0.37, s * 0.9, s * STROKE, color); + cloud(ctx, t, w * 0.5, h * 0.37, s * 0.9, s * STROKE, color); + }; + + Skycons.WIND = function(ctx, t, color) { + var w = ctx.canvas.width, + h = ctx.canvas.height, + s = Math.min(w, h); + + swoosh(ctx, t, w * 0.5, h * 0.5, s, s * STROKE, 0, 2, color); + swoosh(ctx, t, w * 0.5, h * 0.5, s, s * STROKE, 1, 2, color); + }; + + Skycons.FOG = function(ctx, t, color) { + var w = ctx.canvas.width, + h = ctx.canvas.height, + s = Math.min(w, h), + k = s * STROKE; + + fogbank(ctx, t, w * 0.5, h * 0.32, s * 0.75, k, color); + + t /= 5000; + + var a = Math.cos((t ) * TAU) * s * 0.02, + b = Math.cos((t + 0.25) * TAU) * s * 0.02, + c = Math.cos((t + 0.50) * TAU) * s * 0.02, + d = Math.cos((t + 0.75) * TAU) * s * 0.02, + n = h * 0.936, + e = Math.floor(n - k * 0.5) + 0.5, + f = Math.floor(n - k * 2.5) + 0.5; + + ctx.strokeStyle = color; + ctx.lineWidth = k; + ctx.lineCap = "round"; + ctx.lineJoin = "round"; + + line(ctx, a + w * 0.2 + k * 0.5, e, b + w * 0.8 - k * 0.5, e); + line(ctx, c + w * 0.2 + k * 0.5, f, d + w * 0.8 - k * 0.5, f); + }; + + Skycons.prototype = { + _determineDrawingFunction: function(draw) { + if(typeof draw === "string") + draw = Skycons[draw.toUpperCase().replace(/-/g, "_")] || null; + + return draw; + }, + add: function(el, draw) { + var obj; + + if(typeof el === "string") + el = document.getElementById(el); + + // Does nothing if canvas name doesn't exists + if(el === null || el === undefined) + return; + + draw = this._determineDrawingFunction(draw); + + // Does nothing if the draw function isn't actually a function + if(typeof draw !== "function") + return; + + obj = { + element: el, + context: el.getContext("2d"), + drawing: draw + }; + + this.list.push(obj); + this.draw(obj, KEYFRAME); + }, + set: function(el, draw) { + var i; + + if(typeof el === "string") + el = document.getElementById(el); + + for(i = this.list.length; i--; ) + if(this.list[i].element === el) { + this.list[i].drawing = this._determineDrawingFunction(draw); + this.draw(this.list[i], KEYFRAME); + return; + } + + this.add(el, draw); + }, + remove: function(el) { + var i; + + if(typeof el === "string") + el = document.getElementById(el); + + for(i = this.list.length; i--; ) + if(this.list[i].element === el) { + this.list.splice(i, 1); + return; + } + }, + draw: function(obj, time) { + var canvas = obj.context.canvas; + + if(this.resizeClear) + canvas.width = canvas.width; + + else + obj.context.clearRect(0, 0, canvas.width, canvas.height); + + obj.drawing(obj.context, time, this.color); + }, + play: function() { + var self = this; + + this.pause(); + this.interval = requestInterval(function() { + var now = Date.now(), + i; + + for(i = self.list.length; i--; ) + self.draw(self.list[i], now); + }, 1000 / 60); + }, + pause: function() { + if(this.interval) { + cancelInterval(this.interval); + this.interval = null; + } + } + }; + + global.Skycons = Skycons; +}(this)); diff --git a/short-response/README.md b/short-response/README.md index 0cc5966..e1091b0 100644 --- a/short-response/README.md +++ b/short-response/README.md @@ -2,8 +2,18 @@ 1. Why is asynchronous code such a fundamental part of programming in JavaScript? +Answer: Asynchronous code is such a fundamental part of programming in JavaScript because asynchronous programming makes it possible to run different programs at different times without blocking the entire program. + 2. What is a Promise? When were Promises made available in JavaScript? What did they replace and why do they represent an improvement on the previous way asynchronous functions were handled? + +Answer : A Promise is the eventual completion or failure of an asynchronous operation and it's resulting value. Promises were made available in JavaScript around 2013. Promises replace call backs in JavaScript. They represent an improvement on the previous way asynchronous functions were handled because error handling is much easier to use and debug. Nested callbacks can cause the term 'pyramid of doom', which can be difficult to maintain and follow. + 3. What are `async` functions? What is their relationship to Promises? What improvements does `async`/`await` introduce? +Answer: Async functions are functions that returns an Async Function object. Their relationship to Promises is, when an async function operate , aside from the rest of the code in the event loop, the value that is return when this asycn function is finished is a Promise Object. + + + + 4. Consider one of your favorite apps. Describe one feature of that app that is likely powered by AJAX. From 4dbcda19265add6e023dea1f4de0ec4e18a166d7 Mon Sep 17 00:00:00 2001 From: EC2 Default User Date: Tue, 25 Feb 2020 06:30:14 +0000 Subject: [PATCH 2/4] finished just need styling --- coding-exercises/app.js | 11 ++++++----- short-response/README.md | 8 +++----- 2 files changed, 9 insertions(+), 10 deletions(-) diff --git a/coding-exercises/app.js b/coding-exercises/app.js index 3dbd7e6..73ade1a 100644 --- a/coding-exercises/app.js +++ b/coding-exercises/app.js @@ -42,15 +42,14 @@ window.addEventListener('load', () => { setIcons('icon1',icon) span.addEventListener('click',(e)=>{ - const convert = `${(temperature - 32) * (5 / 9)} ° C ` + const convert = `${(temperature - 32) * (5 / 9)}` const celcius = Number.parseFloat(convert).toFixed() - - const fahreinheit = `Temperature: ${temperature}° F` + if(e.target.innerHTML === celcius){ - e.target.innerHTML = fahreinheit + e.target.innerHTML = `Temperature: ${temperature}° F` }else{ - e.target.innerHTML = celcius + e.target.innerHTML = celcius } }) } @@ -79,6 +78,8 @@ window.addEventListener('load', () => { }; }); +window.alert('Please Allow Location if your are using this weather app. Thank You !') + const requestMethod = (method, url , data) => { return fetch(url, { method: method, diff --git a/short-response/README.md b/short-response/README.md index e1091b0..5911d36 100644 --- a/short-response/README.md +++ b/short-response/README.md @@ -8,12 +8,10 @@ Answer: Asynchronous code is such a fundamental part of programming in JavaScrip Answer : A Promise is the eventual completion or failure of an asynchronous operation and it's resulting value. Promises were made available in JavaScript around 2013. Promises replace call backs in JavaScript. They represent an improvement on the previous way asynchronous functions were handled because error handling is much easier to use and debug. Nested callbacks can cause the term 'pyramid of doom', which can be difficult to maintain and follow. - 3. What are `async` functions? What is their relationship to Promises? What improvements does `async`/`await` introduce? -Answer: Async functions are functions that returns an Async Function object. Their relationship to Promises is, when an async function operate , aside from the rest of the code in the event loop, the value that is return when this asycn function is finished is a Promise Object. - - - +Answer: Async functions are functions that returns an Async Function object. Their relationship to Promises is, when an async function operate , aside from the rest of the code in the event loop, the value that is return when this asycn function is finished is a Promise Object. Async/Await introduce code readabilty. 4. Consider one of your favorite apps. Describe one feature of that app that is likely powered by AJAX. + +Answer: One of my favorite app is Twitch. One feature of that app that is likely powered by AJAX is the viewing different content (pages) while a video is being played or minimized in the corner. I am able to able on different pages and read bio's or even watch a different video while a video is being loaded in the background . \ No newline at end of file From 464b2c6cfd72631d387a8dd91a9b255d566ba165 Mon Sep 17 00:00:00 2001 From: EC2 Default User Date: Tue, 25 Feb 2020 06:37:40 +0000 Subject: [PATCH 3/4] minor changed --- coding-exercises/app.js | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/coding-exercises/app.js b/coding-exercises/app.js index 73ade1a..620e56d 100644 --- a/coding-exercises/app.js +++ b/coding-exercises/app.js @@ -42,14 +42,15 @@ window.addEventListener('load', () => { setIcons('icon1',icon) span.addEventListener('click',(e)=>{ - const convert = `${(temperature - 32) * (5 / 9)}` - + const convert = `${Math.floor(temperature - 32) * (5 / 9)}` + const fahreinheit = `Temperature: ${temperature}° F` const celcius = Number.parseFloat(convert).toFixed() - if(e.target.innerHTML === celcius){ - e.target.innerHTML = `Temperature: ${temperature}° F` + if(e.target.innerHTML === fahreinheit){ + e.target.innerHTML = `${celcius}° C` }else{ - e.target.innerHTML = celcius + e.target.innerHTML = fahreinheit + } }) } From 3b1a55cdd31e5f39a0a18a530454ca71773cebf2 Mon Sep 17 00:00:00 2001 From: EC2 Default User Date: Tue, 25 Feb 2020 06:38:52 +0000 Subject: [PATCH 4/4] minor changed --- coding-exercises/app.js | 1 - 1 file changed, 1 deletion(-) diff --git a/coding-exercises/app.js b/coding-exercises/app.js index 620e56d..30ff5ad 100644 --- a/coding-exercises/app.js +++ b/coding-exercises/app.js @@ -27,7 +27,6 @@ window.addEventListener('load', () => { const getApiInfo = async(lat,lon) =>{ const apiKey = '065ad3fe15434cfea6d6c1092979d8ba' const getData = await requestMethod('GET',`https://cors-anywhere.herokuapp.com/https://cors-anywhere.herokuapp.com/https://api.darksky.net/forecast/${apiKey}/${lat},${lon}`) - console.log(getData) const timezone = getData.timezone const temperature = getData.currently.temperature const summary = getData.currently.summary