JS中style不能用,代码在下面,万分感谢

<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8">
        <title></title>
        <style type="text/css">
            #box1{
                width: 100px;
                height: 100px;
                background-color: red;
            }
        </style>
        
        <script type="text/javascript">
            window.onload = function(){
                
                /*
                  点击按钮后,修改box1的大小
                */
                //获取box1
                var box1 = document.getElementById("box1");
                //为按钮绑定单机响应函数
                var btn01 = document.getElementById("btn01");
                btn01.onclink = function(){
                    //修改box1的宽度
                   box1.style.widtn = "300px";
                   box1.style.height = "300px";
                   box1.style.backgroundColor = "yellow";
                };
            };
        </script>
    </head>
    <body>
        
        <button id="btn01">点我一下</button>
        
        <br /><br />
        
        <div id="box1"></div>
        
    </body>
</html>
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2 个回答
<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8" />
        <title></title>
        <style type="text/css">
            #box1 {
                width: 100px;
                height: 100px;
                background-color: red;
            }
        </style>

        <script type="text/javascript">
            window.onload = function () {
                /*
                  点击按钮后,修改box1的大小
                */
                //获取box1
                var box1 = document.getElementById("box1");
                //为按钮绑定单机响应函数
                var btn01 = document.getElementById("btn01");
                btn01.onclick = function () {
                    //修改box1的宽度
                    box1.style.width = "300px";
                    box1.style.height = "300px";
                    box1.style.backgroundColor = "yellow";
                };
            };
        </script>
    </head>
    <body>
        <button id="btn01">点我一下</button>

        <br /><br />

        <div id="box1"></div>
    </body>
</html>

emm,width写成widtn了

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