js截取中英文字符串、标点符号无乱码示例解读
发布时间:2020-12-14 23:49:38 所属栏目:资源 来源:网络整理
导读:复制代码 代码如下: script function subString(str,len,hasDot) { var newLength = 0; var newStr = ""; var chineseRegex = /[^x00-xff]/g; var singleChar = ""; var strLength = str.replace(chineseRegex,"**").length; for(var i = 0;i strLength;i+
复制代码 代码如下: <script> function subString(str,len,hasDot) { var newLength = 0; var newStr = ""; var chineseRegex = /[^x00-xff]/g; var singleChar = ""; var strLength = str.replace(chineseRegex,"**").length; for(var i = 0;i < strLength;i++){ singleChar = str.charAt(i).toString(); if(singleChar.match(chineseRegex) != null){ newLength += 2; }else{ newLength++; } if(newLength > len){ break; } newStr += singleChar; } if(hasDot && strLength > len){ newStr += "..."; } return newStr; } alert(subString("js截取中英文字符串无乱码",10,true)); </script> 您可能感兴趣的文章:
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