11 2015 档案

[JS] 让人犯晕的JavaScript变量赋值
摘要：变量赋值本文转载自http://hellobug.github.io/blog/javascript-variable-assignment/开始之前先来几个例子，确保起始点是晕的状态～ :P例1.11234var a = "apple";var b = a;a = "banana";b按理说，b ... 阅读全文
posted @ 2015-11-27 11:37 mjbin 阅读(412) 评论(0) 推荐(0)
javaScript字符串操作
摘要：JS自带函数concat将两个或多个字符的文本组合起来，返回一个新的字符串。var a = "hello";var b = ",world";var c = a.concat(b);alert(c);//c = "hello,world"indexOf返回字符串中一个子串第一处出现的索引（从左到右搜... 阅读全文
posted @ 2015-11-03 10:24 mjbin 阅读(231) 评论(0) 推荐(0)