问答博客标签用户活动
logo极客观点logo研发管理logoHarmonyOS
javascript
php
java
vue.js
git
html5
python
node.js
android
mysql
react.js
linux
ios
css
golang
spring
docker
程序员
logoONES 研发管理logo思否企业问答logo安谋科技 XPU

html中有iframe时按钮的点击事件提示函数不存在？

头像
寅春树
    1.3k11204457
    <!doctype html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport"
          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>
<body>
<button onclick="takeScreenshot()">点我</button>
<iframe id="main" src="http://www.chunshu.net" width="300" height="200"/>
<script type="text/javascript">
        function takeScreenshot() {
            console.log("sss")
            /*let iframe = document.getElementById('main')
            let iframeWin = iframe.contentWindow || iframe.contentDocument.parentWindow;
            if (iframeWin.document.body) {
                console.log(iframeWin.document.body)
            }*/
        }
</script>
</body>
</html>

    image.png

    iframejavascript
    阅读 1.7k
    1 个回答
    得票最新
    头像
    乔治
      12.4k1329
      ✓ 已被采纳

      标签没闭合<iframe/>：

      <!doctype html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport"
          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>
<body>
<button onclick="takeScreenshot()">点我</button>
<iframe id="main" src="http://www.chunshu.net" width="300" height="200"></iframe>
<script type="text/javascript">
        function takeScreenshot() {
            console.log("sss")
            /*let iframe = document.getElementById('main')
            let iframeWin = iframe.contentWindow || iframe.contentDocument.parentWindow;
            if (iframeWin.document.body) {
                console.log(iframeWin.document.body)
            }*/
        }
</script>
</body>
</html>
      查看全部 1 个回答
      推荐问题
      宣传栏