el-input 文件夹下,新建 index.js 和 onlyNumber.js 文件 2.文件代码 onlyNumber.js 核心实现 export default { inserted(el,vDir, vNode) { // vDir.value 有指令的参数 let content; //按键按下=>只允许输入 数字/小数点 el.addEventListener("keypress", event => { let e = event || window.even...
1//js控制input控件只能输入数字 2function OnlyinputNumber(e, obj, withFraction) { 3if(!e) { 4e = window.event; 5} 6if(e.which) { 7key = e.which; 8}else{ 9key = e.keyCode; 10} 11validNumber =false; 12if(key ==8//Backspace 13|| key ==46//Delete 14|| key >=35&& key...
function onlyNumber(obj){ //得到第一个字符是否为负号 var t = obj.value.charAt(0); //先把非数字的都替换掉,除了数字和.和-号 obj.value = obj.value.replace(/[^\d\.]/g,''); //前两位不能是0加数字 obj.value = obj.value.replace(/^0\d[0-9]*/g,''); //必须保证第一个为数字...
第一: 限制只能是整数 <inputtype="text"name="number"id='number' onkeyup="if(! /^d+$/.test(this.value)){alert('只能整数');this.value='';}"/> 1. 如果不是整数就直接alert 第二: 限制是两位的小数 <inputtype="text"name="price"id='price' onkeyup="if( ! /^d*(:.d{0,2})$/.t...
vue的input中,限制只能输入number // input 只允许输入整数 export const onlyNumber = (num) => { let n = String(num) const t = n.charAt(0) // 先把非数字的都替换掉,除了数字和. n = n.replace(/[^\d\\.]/g, '') // 必须保证第一个为数字而不是....
<input class="keep_input" v-number-only style="width:35px" v-model="scope.row.fileOrder" @input="scope.row.fileOrder = Number($event.target.value.replace(/\D+/, ''))" /> 第二部封装个自定义指令放在标签上! directives: { numberOnly ...
accept input only number with 2 decimal javascript Acces an object with javascript code in *ascx control Access C# variable value from within a JavaScript function Access CSS Class Contents through C# code Access Dropdownlist within gridview using Javascript Access external js file functions in master...
i am using number type here so that it accepts only number.But i don't want this number type like it's gives increments and decrements selector at the right side of the field.What i need is i need to accept only numbers not any characters.How can i do that? these are my form ...
JS通过正则限制input输入框只能输入整数、小数（金额或者现金）两位小数 JS通过正则限制input输⼊框只能输⼊整数、⼩数（⾦额或 者现⾦）两位⼩数 第⼀：限制只能是整数 <input type = "text" name= "number" id = 'number' onkeyup= "if(! /^d+$/.test(this.value)){alert('只能整数');...
More specifically I use jquery.inputmask.regex.extensions.js that comes with it. I give the input element a class, in this case reg: <input type="number" id="WorkSrqNo" name="WorkSrqNo" maxlength="6" class="reg"/> And then in JavaScript I set the mask: var regexDigitsOnly = "...