jQuery(document).ready(function($) { // Stuff to do as soon as the DOM is ready; var phone=$('#phone'); $(phone).on('click',function(){ phone.val(''); }) $(phone).on('keyup',function(evt){ var phoneVal=phone.val(); phoneVal=phoneVal.replace('/[^\d]+/g', ''); //替换非数字字符为空格 phoneVal=parseInt(phoneVal,10); if(isNaN(phoneVal)){ phoneVal = ''; } this.value=phoneVal; }) });
