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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,40 @@ | ||
| <!DOCTYPE html> | ||
| <html> | ||
| <head> | ||
| <title>Scientific Calculator</title> | ||
| </head> | ||
| <body> | ||
| <h1>Scientific Calculator</h1> | ||
| <input type="text" id="input"> | ||
| <button onclick="calculate()">Calculate</button> | ||
| <script> | ||
| function calculate() { | ||
| // Declare variables | ||
| var num1 = Number(document.getElementById('input').value); | ||
| var num2 = Number(document.getElementById('input').value); | ||
| var operator = document.getElementById('operator').value; | ||
|
|
||
| // Perform calculation based on operator | ||
| switch (operator) { | ||
| case '+': | ||
| result = num1 + num2; | ||
| break; | ||
| case '-': | ||
| result = num1 - num2; | ||
| break; | ||
| case '*': | ||
| result = num1 * num2; | ||
| break; | ||
| case '/': | ||
| result = num1 / num2; | ||
| break; | ||
| default: | ||
| result = "Invalid operator"; | ||
| } | ||
|
|
||
| // Display the result | ||
| document.getElementById('input').value = result; | ||
| } | ||
| </script> | ||
| </body> | ||
| </html> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,69 @@ | ||
| <!DOCTYPE html> | ||
| <html lang="en"> | ||
| <head> | ||
| <meta charset="UTF-8"> | ||
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> | ||
| <title>随机数生成器</title> | ||
| <style> | ||
| input { | ||
| margin-bottom: 10px; | ||
| } | ||
| </style> | ||
| </head> | ||
| <body> | ||
| <center> | ||
| <div style="max-width: 600px;text-align: left;"> | ||
| <h1>随机数生成器</h1> | ||
| <p>本程序使用Javascript函数“Math.random()”执行随机数抽取</p> | ||
| <label for="min">最小值:</label> | ||
| <input type="number" id="min" required><br> | ||
|
|
||
| <label for="max">最大值:</label> | ||
| <input type="number" id="max" required><br> | ||
|
|
||
| <label for="decimals">整数（填写“0”）/小数（填写精确到几位小数）:</label> | ||
| <input type="number" id="decimals" required><br> | ||
|
|
||
| <label for="quantity">一次性抽出数量:</label> | ||
| <input type="number" id="quantity" required><br> | ||
|
|
||
| <label for="repeat">是否重复抽出:</label> | ||
| <select id="repeat"> | ||
| <option value="true">是</option> | ||
| <option value="false">否</option> | ||
| </select><br> | ||
|
|
||
| <button onclick="generateRandomNumbers()">生成随机数</button> | ||
|
|
||
| <div id="result"></div> | ||
| </div> | ||
| </center> | ||
| <script> | ||
| function generateRandomNumbers() { | ||
| var min = parseInt(document.getElementById("min").value); | ||
| var max = parseInt(document.getElementById("max").value); | ||
| var decimals = parseInt(document.getElementById("decimals").value); | ||
| var quantity = parseInt(document.getElementById("quantity").value); | ||
| var repeat = document.getElementById("repeat").value === "true"; | ||
|
|
||
| var result = document.getElementById("result"); | ||
| result.innerHTML = ""; | ||
|
|
||
| for (var i = 0; i < quantity; i++) { | ||
| var randomNum = Math.random() * (max - min) + min; | ||
| randomNum = parseFloat(randomNum.toFixed(decimals)); | ||
|
|
||
| if (!repeat) { | ||
| result.innerHTML += "随机数 " + (i + 1) + ": " + randomNum + "<br>"; | ||
| } else { | ||
| result.innerHTML += "随机数 " + (i + 1) + ": " + randomNum + "<br>"; | ||
| } | ||
| } | ||
| } | ||
| </script> | ||
| <center><div style="position: fixed;bottom: 0;width: 100%;padding: 20px;display: flex;justify-content: center;align-items: center;"> | ||
| <a target="_blank" href="./blog/open.html"><a href="https://ipw.cn/ssl/?site=oldsai.cn" title="本站支持SSL安全访问" target='_blank'><img style='display:inline-block;vertical-align:middle' alt="本站支持SSL安全访问" src="../images/ssl-s1.svg"></a> | ||
| <a target="_blank" href="../open.html"><span9>Copyright</span9></a> © 2022-2024 PangXitong. All rights reserved. Open source project by <a target="_blank" href="https://github.com/PangXitong"><span9>PangXitong</span9></a>. | ||
| </div></center> | ||
| </body> | ||
| </html> |
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