【JS】颜色切换

Osinghong6个月前 (04-21)成果展示86

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>d24c04429</title>
    <style>
        #show{
            width: 200px;
            height: 200px;
        }
    </style>
<body>
    <div id="show"></div><br>
    <input type="button" value="切换颜色" id="btn" onclick="changeColor()">
    <script>
        function changeColor(){
            var bgColor="#";
            var arr=["0","1","2","3","4","5","6","7","8","9","A","B","C","D","E","F"];
            for(var i=0;i<6;i++){
            var index=Math.floor(Math.random()*16);
            bgColor+=arr[index];
            }
            document.getElementById("show").style.backgroundColor=bgColor;
        }
    </script>
</body>
</html>

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