(function (modules) { // webpackBootstrap // The module cache var installedModules = {}; // The require function function require(moduleId) { // Check if module is in cache if (installedModules[moduleId]) { return installedModules[moduleId].exports; } // Create a new module (and put...
var Point = await require("./point.js"); var Polygon = await require("./polygon.js"); var pt = new Point(1, 1); var pg = new Polygon(pt); exports.log = pg.toString(); //index.html <script type="text/javascript"> async function init() { var shape = await require('./shape...
JavaScript: 同样地,JavaScript 使用 var, let,或 const 来声明变量或常量。 Makefile:在 Makefile 中,可以使用 define 指令来定义多行变量值。 define long_command echo "This is a very long command that we want to use multiple times in our Makefile" endef all: $(long_command) $(long_command)...
define的源码: window.define= $.define =function(id, deps, factory) {varargs = $.slice(arguments);if(typeofid ==="string") {var_id = args.shift(); }if(typeofargs[0] ==="boolean") {//用于文件合并,在标准浏览器中跳过补丁模块if(args[0]) {return; } args.shift(); }if(typeofarg...
How to define multiple variables in a single step in JavaScript? JavaScript also allows declaring multiple variables in one line: Example: vartest1 ="John", test2 ="Dheer", test3 =200; The same declaration can even span across multiple lines, as shown below: ...
Functions are defined, or declared, with thefunctionkeyword. Below is the syntax for a function in JavaScript. functionnameOfFunction(){// Code to be executed} Copy The declaration begins with thefunctionkeyword, followed by the name of the function. Function names follow the same rules as var...
[javascript] view plain copy //javascript : prototype(原型) :实现继承 //supclass var Person = function(name){ this.name = name; }; alert(Person.prototype.constructor); //原型对象的构造器。默认是当前的类的模板 //上面返回: // function(name){ // this.name = name; // }...
JavaScript arrays are used to store multiple values in a single variable. Let's look at the following snippets. <!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> </head> <body> <form id="form1" runat="server"> <script> var arr = ['x', 'y'...
var s = desc.set; if (!isCallable(s) && typeof s !== 'undefined') throw new TypeError('bad set'); d.set = s; } if (('get' in d || 'set' in d) && ('value' in d || 'writable' in d)) throw new TypeError('identity-confused descriptor'); ...
To declare a global variable, you can use the var at global scope like this:Javascript global variable1 2 3 4 5 let yourGlobalVariable = "global value"; //global variable function displayGlobalVal() { console.log(yourGlobalVariable); //global variable , result is "global value" } ...