js & get recursive ids

js & get recursive ids

len = 0; bug

js & get recursive ids_第1张图片


for(let i = 0; i < 3; i++) {
    console.log(`i =`, i);
    let y = ids.slice(3*i, 3*i + 3);
    console.log(`y =`, y, typeof(y));
    if(i < len - 1) {
       x += (y + `,`);
       console.log(`x1 =`, x);
    } else {
       x += `${y}`;
       console.log(`x2 =`, x);
    }
    console.log(`x3 =`, x);
};

OK

js & get recursive ids_第2张图片


const ids = `101103105`;

let len = ids.length / 3;

let x = ``;

for(let i = 0; i < len; i++) {
    console.log(`i =`, i);
    let y = ids.slice(0, 3*i + 3);
        // let y = ids.slice(3*i, 3*i + 3);
    console.log(`y =`, y);
    if(i < len - 1) {
       x += `${y},`;
    } else {
       x += `${y}`;
    }
    console.log(`x =`, x);
};

shit api

js & get recursive ids_第3张图片

转载于:https://www.cnblogs.com/xgqfrms/p/10284292.html

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