arrays13.txt

1.
def objInArr(obj:SubstrAndInd, arr:list[SubstrAndInd]):
    for i in arr:
        if obj.substring == i.substring:
            return False
    return True

//использование итераторов

2.
characteristics.forEach((key, i) => (buf[key] = values[i]));

//использование forEach

3.
protected keys: Map<string, boolean> = new Map<string, boolean>();
if (this.audioDB) {
    let keys = await this.audioDB.transaction("audios").store.getAllKeys();
    keys.forEach((key) => {
        this.keys.set(key, true);
    });
}

//использование Map, forEach

4.
def xor(a, b):
    res = ""
    for i in range(len(a)):
        if a[i] == '1':
            if b[i] == '1':
                res+='0'
            else:
                res+='1'
        if a[i] == '0':
            if b[i] == '1':
                res+='1'
            else:
                res+='0'
    return res
=>
def xor(a: str, b: str):
    return bool(a) != bool(b)

//избавление от массива

5.
let animations: Map<number, jSprite> = new Map();
previousPositions.forEach((el, i) => {
    const cell = document.createElement("div");
    cell.id = "previousPositions";
    cell.style.position = "absolute";
    cell.style.width = cellSize + "px";
    cell.style.height = cellSize + "px";
    cell.style.pointerEvents = "none";
    cell.style.display = "block";
    htmlEl2.appendChild(cell);

    const children = document.createElement("div");
    cell.appendChild(children);
    children.id = "spaceSelect" + i;
    children.style.transform = "scale(0.5)";
    let anim = new jSprite({
        spriteSheet: spaceSelect,
        container: "spaceSelect" + i,
        columns: 15,
        rows: 1,
        startFrame: 1,
        timing: 80,
        autoStart: false,
        repeat: true,
    });
    animations.set(el, anim);
});

//использование Map, forEach