#### js鼠标的事件--网页事件

#### js鼠标的事件

onClick-----单击事件

onMouseOver------鼠标经过事件

onMouseOut-------鼠标移出事件

onChang--------文本内容改变事件

onSelect-------文本框选中事件

onFocus-------光标聚集事件

onBlur------移开光标事件

onLoad------网页加载事件

onUnload-----关闭网页事件

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .div_test{
            width: 100px;
            height: 100px;
            background-color: aqua;
        }
    </style>
</head>
<body onload="mgs()">
    <!-- 鼠标移出，经过事件 -->
    <div class="div_test" onmouseout="onOut(this)" onmouseover="onOver(this)"></div>
    <script>
        function onOver(ooj){
            ooj.innerHTML = "hello";
        }
        function onOut(ooj){
            ooj.innerHTML = "world";
        }
    </script>
    <form action="">
        <input type="text" onchange="onchangeDemo(this)">
        <input type="text" onselect="changdemo2(this)">
        <input type="text" onfocus="changdemo3(this)">
    </form>
    <script>
        function onchangeDemo(bg){
            alert("内容改变了")
        }
        function changdemo2(bg2){
            bg2.style.background="red";
        }
        function changdemo3(bg3){
            bg3.style.background="red";
        }
        function mgs(){
            alert("网页加载完毕")
        }
    </script>
</body>
</html>