JavaScript基础what 的相关内容

文章 2018-08-04 来自：开发者社区

javascript基础修炼(3)—What's this(下)

开发者的javascript造诣取决于对【动态】和【异步】这两个词的理解水平。这一期主要分析各种实际开发中各种复杂的this指向问题。一. 严格模式严格模式是ES5中添加的javascript的另一种运行模式，它可以禁止使用一些语法上不合理的部分，提高编译和运行速度，但语法要求也更为严格，使用use strict标记开启。严格模式中this的默认指向不再为全局对象，而是默认指向und...

文章 2018-08-02 来自：开发者社区

javascript基础修炼(2)——What's this(上)

目录一.this是什么二.近距离看this 三. this的一般指向规则四. 基本规则示例五. 后记开发者的javascript造诣取决于对【动态】和【异步】这两个词的理解水平。一.this是什么 this是javascript关键字之一，是javascript能够实现面向对象编程的核心概念。用得好能让代码优雅高端，风骚飘逸，用不好也绝对是坑人坑己利器。我们常常会在一些资料...

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