各种协议与HTTP协议的关系
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2022-07-12 21:57:34
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defineProperty
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
</head>
<body>
<input type="text" id="username">
<span id="use"></span>
<script>
var obj = {
psw : "1234"
};
Object.defineProperty(obj,"username",{
get: function(){
console.log("get init");
},
set: function(val){
console.log("set init");
document.getElementById("use").innerText = val;
document.getElementById("username").value = val;
}
})
document.getElementById("username").addEventListener("keyup",function(){
obj.username = event.target.value;
})
</script>
</body>
</html>