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| Variable | Explanation | Example |
|---|---|---|
| String | A string of text. To signify that the variable is a string, you should enclose it in quote marks. | var myVariable = ‘Bob‘; |
| Number | A number. Numbers don‘t have quotes around them. | var myVariable = 10; |
| Boolean | A True/False value. The words true and false are special keywords in JS, and don‘t need quotes. |
var myVariable = true; |
| Array | A structure that allows you to store multiple values in one single reference. | var myVariable = [1,‘Bob‘,‘Steve‘,10]; Refer to each member of the array like this: myVariable[0], myVariable[1], etc. |
| Object | Basically, anything. Everything in JavaScript is an object, and can be stored in a variable. Keep this in mind as you learn. | var myVariable = document.querySelector(‘h1‘); All of the above examples too |
总结：
JavaScript共有五种数据类型：
字符串
数字
布尔类型
数组
对象 （javascript中的所有东西都是一个对象）
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原文地址：http://www.cnblogs.com/beenupper/p/5176361.html
