JavaScript字符串空格的相关内容

问答 2018-11-05 来自：开发者社区

javascript去掉字符串前后空格

使用场景当我们进行一些页面编辑时，字符串前后的空格，通常是无效的。因此需要在获取信息时，进行过滤。比如：　　输入：[空格][空格]a[空格]b[空格][空格][空格] 　　得到：a[空格]b 代码如下：去掉前面的空格 1 function LTrim(str){ 2 var i; 3 for(i=0;i<str.length;i++){ 4 ...

文章 2017-11-17 来自：开发者社区

js去掉字符串两边的空格

php:trim() js: <script> <!-- function trim(s) { var count = s.length; var st = ...

问答 2016-07-15 来自：开发者社区

javascript 用正则表达式替换字符串中的空格怎么实现？

在javascript中，去掉字符串中的所有空格在不熟悉正则的情况下，我是这么写的 function trim(str){ //过滤字符中的全部空格 var arr = str.split(""); var result = ""; for (var i=0; i 输入：" 11 222 33 44 55 "输出："11222334455"

问答 2016-03-13 来自：开发者社区

js怎么判断字符串是不是全是空格

input框中输入，怎么判断是不是全部输入的都是空格

文章 2013-07-19 来自：开发者社区

JS中清空字符串前后空格

在JS 操作的时候长期会有对字符串的操作，但是在JS 中不像在C#中有字符串的方法 Trim() 来对字符串进行处理。所以自己写一个对字符串前后清楚空格的方法还是有必要的以免以后忘记了在这里记录一下。 //去掉前后空格 function trim(str){ str = str.replace(/^(\s|\u00A0)+/,''); ...

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