function flatten(arr, depth = 1) { if (!Array.isArray(arr)) { return [arr]; // Handle non-array inputs gracefully } if (depth 0) { return arr; // Stop
{/* … */})// 回调函数flatMap(callbackFn)flatMap(callbackFn,thisArg)// 行内回调函数flatMap(function(currentValue){/* … */})flatMap(function(currentValue,index){/* … */})flatMap(function(currentValue,index,array){/* … */})flatMap(function(currentValue,index,array){/* … */}...
const arr = [1,[2,3],[4,[5,[6]],7]]; function func(array) { let newArr = [] const rec = (arr) => { arr.forEach(item => { if (!Array.isArray(item)) { newArr.push(item) } else { rec(item) } }) } rec(array) return newArr } let res = func(arr) console.log...
== 'function') {throw new TypeError(fn + 'is not a function');}// 获取需要处理的数组内容const arr = this;const len = arr.length;// 新建一个空数组用于装载新的内容const temp = new Array(len);// 对数组中每个值进行处理for (let i = 0; i < len; i++) {// 获取第二个...
js中有三种方式改变this指向,分别是call、apply和bind。 5.1 call Function.prototype.call1 = function(context, ...args) { // 获取第一个参数(注意第一个参数为null或undefined是,this指向window),构建对象 context = context ? Object(context) : window; ...
If you're seeing the error "TypeError: flat is not a function", then it could mean that: Method is not supported, or;
【JS高级】 js javascript 数据结构 vue es6 UI设计 scala 数据库 java Change Combobox via Textbox Input VB.NET Returning a partial view from controller action via ajax The click function reacting wrong Unity3D's Vector3 Declaration in C#
It was always complicated to flatten an array in JS. Not anymore! ES2019 introduced a new method that flattens arrays with Array.flat()...
第552天 使用js实现一个数组flat()的方法 3+1官网 我也要出题Activity haizhilin2013added jsJavaScript on Oct 19, 2020 canvay commented on Oct 19, 2020 canvay on Oct 19, 2020 function flat(arr) { let res = []; for (let i = 0; i < arr.length; i++) { let item = arr[i];...
5. 在js端使用ai-Point.js和gzip解压传输数据 import * as flatbuffers from "flatbuffers"; import pako from "pako"; import b64 from 'base64-js' import { aiPoint } from './ai-Point; // point_url,数据服务器地址 $.get(point_url, function(data, status){ ...