Javascript或jQuery中的Left()函数 [英] Left() function in Javascript or jQuery
问题描述
我只想要一个非常方便的方法从Javascript中提取字符串中的数字,我正在考虑使用jQuery,但我更喜欢被证明是最简单的方法。我已经使用jQuery请求了一个css块的left属性:
I just want a very handy way to extract the numbers out of a string in Javascript and I am thinking about using jQuery, but I prefer the method that proves to be the simplest. I have requested the "left" attribute of a css block using jQuery like this:
var stuff = $('#block').css("left")
stuff的结果是
1008px
我只是我想摆脱px,因为我需要做一个parseInt。什么是最好的方法?如果Javascript有一个left()函数,这将非常简单。谢谢
I just want to get rid of the "px" because I need to do a parseInt of it. What is the best method? If Javascript had a left() function, this would be very simple. Thanks
推荐答案
只需做一个 parseInt(1008px,10)
,它会忽略'px'给你。
Just do a parseInt("1008px", 10)
, it will ignore the 'px' for you.
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