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JavaScript保存并运算页面中数字类型变量的写法_javascript技巧

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Release： 2016-05-16 15:51:19
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之前在html页面嵌入一段如下javascript片段，但是在单击一个按钮的时候会对i值加一，但是两次单击之后，i的初始值没变。

复制代码 代码如下:



后来把变量声明在一个test对象里面，如下代码。这样每次变更test.i之后，test.i的值就可以保存下来

复制代码 代码如下:


Related labels：
javascript keep Operation
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