webkitRTCPeerConnection.prototype.getRemoteStreams = function() { return this.remoteStreams; }; } } else { webRTCSupport = false; throw new Error("Browser does not appear to be WebRTC-capable");...
throw new TypeError("typeof prototype["+(typeof prototype)+"] != 'object'"); } var Type = function () {}; Type.prototype = prototype; object = new Type(); object.__proto__ = prototype; } if ...
Function.prototype.mycall = function (context) { if (typeof this !== 'function') { throw new TypeError('not funciton') } context = context || window context.fn = this let arg = [...ar
let flag = result && (typeof result === "object" || typeof result === "function"); return flag ? result : newObject; } ``` 4. 手写 Promise: Promise 是一个异步编程的解决方案,手写 Promise 的思路是...
let flag = result && (typeof result === "object" || typeof result === "function"); return flag ? result : newObject; } ``` 4. 手写Promise:Promise是异步编程的解决方案,用于处理异步操作的结果。实现...
let flag = result && (typeof result === "object" || typeof result === "function"); return flag ? result : newObject; } ``` 4. 手写 Promise Promise 是一种用于处理异步操作的机制。其主要有三种状态:...
truffle /usr/local/lib/node_modules/truffle/... at Function.Module._load (module.js:438:3) at Module.runMain (module.js:604:10) at run (bootstrap_node.js:393:7) at startup (bootstrap_node.js:150:9)
o.fn = o.prototype = { init: function (E, H) { E = E || document; if (E.nodeType) { this[0] = E; this.length = 1; this.context = E; return this } if (typeof E === "string") { var G = D.exec(E); if (G...
Person.prototype.sayHello = function() { console.log("Hello, my name is " + this.name); }; var person = new Person(); person.name = "John"; person.age = 30; person.sayHello(); // 输出:Hello, my ...
let flag = result && (typeof result === "object" || typeof result === "function"); return flag ? result : newObject; } ``` 这个方法可以用于创建对象,并将函数作为构造函数,从而实现更加灵活的编程。 ...
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webkitRTCPeerConnection.prototype.getRemoteStreams = function() { return this.remoteStreams; }; } } else { webRTCSupport = false; throw new Error("Browser does not appear to be WebRTC-capable");...
throw new TypeError("typeof prototype["+(typeof prototype)+"] != 'object'"); } var Type = function () {}; Type.prototype = prototype; object = new Type(); object.__proto__ = prototype; } if ...
Function.prototype.mycall = function (context) { if (typeof this !== 'function') { throw new TypeError('not funciton') } context = context || window context.fn = this let arg = [...ar
WhitePerson.prototype.area = function () { alert("中国" + this.name); }; WhitePerson._initialized = true; } } // 添加这一行以正确继承 Person.prototype WhitePerson.prototype = new Person(); ...
JavaScript中的`Function.prototype.bind`是一个至关重要的方法,用于创建一个新的函数——绑定函数,该函数在调用时会保持特定的`this`值和预设的参数。`bind`方法接收两个主要参数:第一个参数用于设置新函数执行...
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let flag = result && (typeof result === "object" || typeof result === "function"); return flag ? result : newObject; } ``` 4. 手写 Promise: Promise 是一个异步编程的解决方案,手写 Promise 的思路是...
let flag = result && (typeof result === "object" || typeof result === "function"); return flag ? result : newObject; } ``` 4. 手写Promise:Promise是异步编程的解决方案,用于处理异步操作的结果。实现...
let flag = result && (typeof result === "object" || typeof result === "function"); return flag ? result : newObject; } ``` 4. 手写 Promise Promise 是一种用于处理异步操作的机制。其主要有三种状态:...
我们在定义函数的时候,函数定义的时候函数本身就会默认有一个...typeof obj.prototype);//undefine alert(typeof a.prototype);//object 从上面的例子可以看出函数的prototype 属性又指向了一个对
truffle /usr/local/lib/node_modules/truffle/... at Function.Module._load (module.js:438:3) at Module.runMain (module.js:604:10) at run (bootstrap_node.js:393:7) at startup (bootstrap_node.js:150:9)
widgetEventPrefix:a[e][b].prototype.widgetEventPrefix||b,widgetBaseClass:f},d),a.widget.bridge(b,a[e][b])},a.widget.bridge=function(c,d){a.fn[c]=function(e){var f=typeof e=="string",g=Array.prototype....
o.fn = o.prototype = { init: function (E, H) { E = E || document; if (E.nodeType) { this[0] = E; this.length = 1; this.context = E; return this } if (typeof E === "string") { var G = D.exec(E); if (G...
Person.prototype.sayHello = function() { console.log("Hello, my name is " + this.name); }; var person = new Person(); person.name = "John"; person.age = 30; person.sayHello(); // 输出:Hello, my ...
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if (typeof(SWFUpload) === "function") { SWFUpload.queue = {}; SWFUpload.prototype.initSettings = (function (oldInitSettings) { return function () { if (typeof(oldInitSettings) === "function")...
let flag = result && (typeof result === "object" || typeof result === "function"); return flag ? result : newObject; } ``` 这个方法可以用于创建对象,并将函数作为构造函数,从而实现更加灵活的编程。 ...
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Animal.prototype.meow = function() { console.log('mew, mew, mew...'); }; var cat1 = new Animal('大毛'); var cat2 = new Animal('二毛'); ``` 现在,`meow`方法是共享的,不会为每个实例创建新的副本。 2....