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var book=function(){ // this.prototype.inner = function () { console.log('book_inner') }这种写法是错误的 this.inner2 = function () { console.log('book_inner2' 阅读全文
posted @ 2019-04-29 13:24
ThisCall
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ctx.drawImage('../../../../page/home/resources/pic/che_logo.png', 10, 435, 50,50); 本地图片要根路径 阅读全文
posted @ 2019-04-29 12:01
ThisCall
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https://www.cnblogs.com/haoxl/p/5267724.html(copy) https://www.cnblogs.com/loveyoume/p/6112044.html(prototype) 1.函数声明 2.函数表达式,又叫函数字面量 两者的区别:解析器会先读取函数声 阅读全文
posted @ 2019-04-29 11:03
ThisCall
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onLoad: function(options) { console.log(Function) Function.prototype.addMethod = function(name, fn) { this[name] = fn; } console.log(Function.addMetho 阅读全文
posted @ 2019-04-29 10:27
ThisCall
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