html中有iframe时按钮的点击事件提示函数不存在?
<!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>
回复
1个回答

test
2024-07-03
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>
回复

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