JavaScript字符串长度的相关内容

文章 2017-12-06 来自：开发者社区

JS~字符串长度判断，超出进行自动截取（支持中文）

今天一个小弟问我的问题，在文本框中输入字符，如果超出指定长度，就把它截取，要求中文等于两个字符的长度，我找一下资料，把这个功能实现了，下面是JS代码： <html> <script src="http://common.cnblogs.com/script/jquery.js" type="text/javascript"></script> <bo...

文章 2017-11-27 来自：开发者社区

js计算字符串长度、汉字校验、去除空格、数字校验、身份证校验的方法

//计算字符串长度，汉字计两位。 function strLen(str){ var len = 0; for(i=0;i<str.length;i++) { if(st...

文章 2017-11-08 来自：开发者社区

js获取汉字和英文字符串长度

js判断汉字和英文字符串的长度的方法在js中用str.length计算字符串（英文或中文）的长度。js会把一个汉字当成1个字符计算。为了避免此错误，在此提供一个js获取字符串的方法，方便以后项目中直接调用。（兼容个浏览器） <script> function countCharacters(str){ ...

问答 2016-03-26 来自：开发者社区

js怎样获得准确的字符串长度

我用的jq的text()方法会将空格包含在内，可不可以像html那样将多个空格转为1个空格，不然切割字符串会不准确。

文章 2014-03-17 来自：开发者社区

JS判断字符串长度（英文占1个字符，中文汉字占2个字符）

//计算字符串长度(英文占1个字符，中文汉字占2个字符) 方法一： String.prototype.gblen = function() { var len = 0; for (var i=0; i<this.length; i++) { if (this.charCodeAt(i)>127 || this.charCodeAt(i)=...

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更新时间 2023-04-23 15:48:37

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