In this article, we share with you a very simple technology. JS implements partial printing. There are many kinds of web printing, so there are also many methods of JS printing. Now we will teach you a method of JS implementing partial printing.
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>局部打印案例</title>
<script type="text/javascript">
function doPrint() {
bdhtml=window.document.body.innerHTML;
sprnstr="<!--startprint-->";
eprnstr="<!--endprint-->";
prnhtml=bdhtml.substr(bdhtml.indexOf(sprnstr)+17);
prnhtml=prnhtml.substring(0,prnhtml.indexOf(eprnstr));
window.document.body.innerHTML=prnhtml;
window.print();
}
</script>
</head>
<body>
<p>1不需要打印的地方</p>
<p>2这里不要打印啊</p>
<!--startprint--><!--注意要加上html里star和end的这两个标记-->
<h1>打印标题</h1>
<p>打印内容~~</p>
<!--endprint-->
<button type="button" onclick="doPrint()">打印</button>
<p>不打印的地方啊哈哈哈哈</p>
<p>2</p>
</body>
</html>The above content is a case of JS implementing partial printing. I hope it can help everyone.
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