前端页面input输入完成后切换input源码
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>html的input输完一个直接跳到下一个</title>
<style>
.input input {
display: inline-block;}
.input{width: 580px;height:41px;line-height:41px;margin-right:20px;}
.input input {
border:1px solid #ccc;
width: 100px;
height: 40px;
outline:none;
font-size: 14px;
font-weight: inherit;
text-align: center;
line-height: 40px;
color: #000;
background:#fff;
margin-right:10px;
margin-left:10px;
font-family: "microsoft yahei";
}
.input:first-child {
margin-left:0;
}
</style>
</head>
<body>
<div class="input" id="coupon">
<input type="tel" placeholder="红" name="sn1" maxlength="5" id="sn1"> - <!-
-><input type="tel" placeholder="包" name="sn2" maxlength="5" id="sn2"> - <!-
-><input type="tel" placeholder="密" name="sn3" maxlength="5" id="sn3"> - <!-
-><input type="tel" placeholder="钥" name="sn4" maxlength="5" id="sn4">
</div>
</body>
<script src="http://www.lanrenzhijia.com/ajaxjs/jquery.min.js"></script>
<script>
$(document).ready(function() {
$("#sn1").focus();
//自动跳到下一个输入框
$("input[name^='sn']").each(function() {
var that = $(this);
that.keypress(function(e) {
var target = e.target;
var charCode = e.charCode;
if(!/\d/.test(String.fromCharCode(charCode))){
e.preventDefault()
}
})
that.keyup(function() {
if(that.val().length === 5){
var str = that.val();
var patt = /\d+/g;
var result = str.match(patt);
var value = result?result.join(''):'';
if (value.length < 5) {
that.val(value);
} else if(that.next()) {
that.next().focus();
}
}
})
});
});
</script>
</html>
