以问号开头的HTML标签? [英] Html tag beginning with question mark?
问题描述
我正在学习谷歌应用脚本，并且在 this 教程，我看到了一些看起来很奇怪的语法:<?/* JS 代码 */?> 和
I'm learning google apps script, and in this tutorial, I saw some weird looking syntax: <? /* JS code */ ?> and <?= /* JS code */ ?>
<!DOCTYPE html>
<html>
<head>
<base target="_top">
<title>Message Display Test</title>
<link rel="stylesheet" href="https://ssl.gstatic.com/docs/script/css/add-ons1.css">
</head>
<body style="padding:3em;">
<h1>Messages</h1>
<ul>
<? for(var m=0;m<messages.length;m++){ ?>
<li><?= messages[m].getSubject() ?></li>
<p><?= messages[m].getPlainBody() ?></p>
<? } ?>
</ul>
</body>
</html>
我可以理解发生了什么，但我仍然感到困惑.我在学习 HTML 时从未见过这些.这与脚本标签相比如何?
I can kind of understand what is going on, but I'm still confused. I've never seen these while learning HTML. How does this compare to script tags?
推荐答案
在 Google Apps 脚本中 被称为标准小脚本 <?= ...?> 是打印的 scriptlet 和 <?!= ...?> 是强制打印脚本.它们用于 Google Apps Script HTML Service 模板化 HTML.
In Google Apps Script <? . . .?> are called standar scriptlets, <?= . . . ?> are printed scriptlets and <?!= . . . ?> are force printing scriplets. They are used in Google Apps Script HTML Service templated HTML.
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