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css值转换成数值请抛弃parseInt_javascript技巧

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Release： 2016-05-16 18:00:29
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如：

复制代码代码如下:




可是如果css值是这样呢：
复制代码代码如下:




以上显然parseInt()会出错，哪怕是'.5′这样的值，如果换成parseFloat()将能得到正确的结果:
复制代码代码如下:



两者有何区别？

parseInt() 返回一个整数
parseFloat() 返回一个浮点数

进一步了解 parseInt和 parseFloat
Related labels：
parseint
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