lovecoding
/
W250913


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <ul>
        <li>项目一</li>
        <li>项目二</li>
        <li>项目三</li>
        <li>项目四</li>
        <li>项目五</li>
    </ul>
    <script>
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        // aLi[0].onmouseover = function() {
        //     console.log(aLi[0].innerText);
        // }
        // aLi[1].onmouseover = function() {
        //     console.log(aLi[1].innerText);
        // }
        // aLi[2].onmouseover = function() {
        //     console.log(aLi[2].innerText);
        // }
        // aLi[3].onmouseover = function() {
        //     console.log(aLi[3].innerText);
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        // aLi[4].onmouseover = function() {
        //     console.log(aLi[4].innerText);
        // }

        for(var i=0;i<aLi.length;i++){
            aLi[i].onmouseover = function(){
                // console.log("li");
                // console.log(i);
                // console.log(aLi[i].innerText);
                // 谁触发事件 谁就是this
                console.log(this.innerText);
                
            }
        }
    </script>
</body>
</html>