<form class="form">
<input type="tel" class="tel" placeholder="请输入电话号码"/> </form>
js代码:
var i = 0;
$(".tel").bind("input propertychange",function(){
i++;
console.log(i);
})
<form class="form">
<input type="tel" class="tel" placeholder="请输入电话号码"/> </form>
js代码:
var i = 0;
$(".tel").bind("input propertychange",function(){
i++;
console.log(i);
})