js监听input输入框值的实时变化实例

<script type="text/JavaScript">
function aa(e){alert("inputting!!");}
</script>
 
<input type="text" id="a" oninput="aa(event)" onporpertychange="aa(event)" />

<script type="text/javascript">
 $(function(){
if("\v"=="v"){//true为IE浏览器，感兴趣的同学可以去搜下，据说是现有最流行的判断浏览器的方法
document.getElementById("a").attachEvent("onporpertychange",function(e){
console.log("inputting!!");
}
}else{
document.getElementById("a").addEventListener("onporpertychange",function(e){
console.log("inputting!!");
}
}
});
</script>
<input type="text" id="a"/>

<script type="text/javascript">
 $(function(){
$("#a").bind('input porpertychange',function(){
console.log("e");
});
});
</script>
<input type="text" id="a"/>

$("#name").bind('input porpertychange',function(){
 var thisTxt=$("#name").val();
 $(this).siblings("p").html(thisTxt)
 })

//手机号码分段显示
register.phonePropertychange = function() {
 _this = register;
 _input = $(this);
 var v = $(this).val();
 v = v.replace(new RegExp(/ /g),'');
 var v1 = v.slice(0,3);
 var v2 = v.slice(3,7);
 var v3 = v.slice(7,11);
 if(v2==''){
 _input.focus().val(v1);
 }else if(v3==''){
 _input.focus().val(v1+' '+v2);
 }else{
 _input.focus().val(v1+' '+v2+ ' '+v3);
 };
 
 //手机号输入完成字体颜色改变
 if (v.length === 11) {
 if(_this.regexpPhone(v)){
 _input.css('color','#000');
 $('#btnSendCode').addClass('c-26a949');
 _input.blur();;
 }else{
 layer.open({content: '手机号码不正确，请重新输入',time: 2, end:function(){
 _input.val('');
 }});
 }
 }else{
 _input.css('color','#26a949');
 }
}
 
//验证手机号
register.regexpPhone = function(phone){
 return /^1[3|4|5|7|8]\d{9}$/.test(phone);
}