Use the code below to make trim a method of all Strings. These are useful to place in a global Javascript file included by all your pages. String.prototype.trim = function() {return this.replace(/^\s+|\s+$/g,"");} String.prototype.ltrim = function() {return this.replace(/^\s+/...
Use the code below to make trim a method of all Strings. These are useful to place in a global Javascript file included by all your pages. String.prototype.trim = function() {return this.replace(/^\s+|\s+$/g,"");} String.prototype.ltrim = function() {return this.replace(/^\s+/...
trim函数在JavaScript编程中有许多实用的应用场景。 表单验证 在提交表单数据前,开发者常常会使用trim功能去除用户不小心输入的空格,这样可以防止不必要的输入错误,并通过后端验证。 function validateForm() { var username = document.getElementById('username').value.trim(); if (username === '') { alert('...
functiontrim(str,char){if(char)str=strreplace(newRegExp('^\\'+char+'+|\\'+char+'+$','g'),'');}returnstr.replace('')
Javascript Trim Member FunctionsUse the code below to make trim a method of all Strings. These are useful to place in a global Javascript file included by all your pages. String.prototype.trim = function() { return this.replace(/^\s+|\s+$/g,""); } String.prototype.ltrim = function...
//javascript去空格函数functionLTrim(str){//去掉字符串 的头空格vari;for(i=0;iif(str.charAt(i)!=" "&&str.charAt(i)!=" ")break; } str=str.substring(i,str.length);returnstr; }functionRTrim(str){vari;for(i=str.length-1;i>=0;i--){if(str.charAt(i)!=" "&&str.charAt(i)!=" ...
function Info(){ var obj = document.getElementById("ID") var ID = obj.value var year = ID.substr(6,4) var month = ID.substring(10,12) var day = ID.substr(12,2) var sex = ID.substr(16,1) //奇数表示男,偶数表示女 var num...
我正在使用trim方法删除额外的空间,该方法在除IE8之外的所有浏览器中都运行良好。$(function(){ $('a').cli 浏览1提问于2013-06-06得票数 0 回答已采纳 4回答 修剪以删除空格 、 jQuery trim不工作。我写了下面的命令来删除空格。这里面有什么问题?var str = $('input').val(); console.log(str); ...
To remove white spaces before or after a string, we use JavaScripttrim()function. This JavaScript function is equivalent to PHPtrim()function. InJavaScriptit is actually a method of string object. The trim() method removes whitespace from both sides of a string. ...
去掉左右两边的所有空格,包括Tab等字符。 结果=Trim(字符串) 参数数据类型解释 字符串字符串任意有效字符串表达式。 返回值 字符串,去掉左右两边空格后的字符串。 示例 1 2 3 Dim结果 结果=Trim(" 您好, 紫猫编程学院 "&Chr(10) &Chr(9)) TracePrint结果 ...