reserved (default: [])— Pass an array of identifiers that should be excluded from mangling. Example: ["foo", "bar"]. toplevel (default: false)— Pass true to mangle names declared in the top level scope. Examples: // test.js var globalVar; function funcName(firstLongName, anotherLong...
var Koa = require('koa') var app = new Koa() var logger = require('koa-logger') // 打印日志,第三方模块 var indent = function (n) { return new Array(n).join(' ') } var mid1 = function () { return function *(next) { this.body = '请求 => 第一层中间件' yield next...
The HTML element in which to insert the generated HTML, or null, to return the generated HTML instead of injecting it. id The id attribute value of the generated object element. properties An array of name and value pairs. See Remarks. ...
insertRow(1, {id: 1, name: 'John Doe', dob: new Date(1970,1,1)}); worksheet.insertRow(1, {id: 2, name: 'Jane Doe', dob: new Date(1965,1,7)}); // Insert a row by contiguous Array (assign to columns A, B & C) worksheet.insertRow(1, [3, 'Sam', new Date()]); ...
insertRow(1, rowValues, 'o'); // Insert an array of rows, in position 1, shifting down current position 1 and later rows by 2 rows var rows = [ [5,'Bob',new Date()], // row by array {id:6, name: 'Barbara', dob: new Date()} ]; // insert new rows and return them ...
新的数组方法array.at(index)使你可以将索引作为常规访问器访问数组元素。此外,array.at(index)接受负索引,在这种情况下,该方法从头开始获取元素: 代码语言:javascript 复制 constlastItem=array.at(-1); 现在只需要把array.prototype.at(https://github.com/es-shims/Array.prototype.at) polyfill 包含到你的应用...
在Node.js中对数据库调用进行排序可以通过以下步骤实现: 1. 首先,确保你已经安装了适当的数据库驱动程序,例如MySQL或MongoDB的驱动程序。你可以使用npm包管理器来安装这些驱动程序。...
Example of usage:import 'core-js/actual'; Promise.resolve(42).then(it => console.log(it)); // => 42 Array.from(new Set([1, 2, 3]).union(new Set([3, 4, 5]))); // => [1, 2, 3, 4, 5] [1, 2].flatMap(it => [it, it]); // => [1, 1, 2, 2] (function...
array .prototype.slice = function ( start,end ) { var result = new array (); start = start || 0 ; end = end || this .length; //this指向调用的对象,当用了call后,能够改变this的指向,也就是指向传进来的对象,这是关键 for ( var i = sta...
1functionremoveWithoutCopy(arr, item) {2//可以先去重,再进行操作3//arr =Array.from(new Set(arr));4for(vari=0;i<arr.length;i++){5if(arr[i]==item){6arr.splice(i,1);7i--;8}9}10returnarr;11}12removeWithoutCopy([1, 2, 2, 3, 4, 2, 2], 2);//[1,3,4] ...