从谷歌加载jquery不起作用（对我来说） [英] Loading jquery from google doesn't work (for me)
问题描述
啊，我是一个可怜的菜鸟，下面的html文件并没有提醒我的任何人请求帮助。有谁知道为什么？
Ah the wretched noob I am, the following html document doesn't alert anyone of my cry for help. Anyone know why?
<html>
<head>
<script type="text/javascript"
src="//ajax.googleapis.com/ajax/libs/jquery/1.5.1/jquery.min.js"></script>
<script type="text/javascript">
$(document).ready(function() {
alert('Somebody please help me.');
});
</script>
</head>
<body>
</body>
</html>
推荐答案
这对我有用：
<html>
<head>
<script type="text/javascript"
src="http://ajax.googleapis.com/ajax/libs/jquery/1.5.1/jquery.min.js"></script>
<script type="text/javascript">
$(document).ready(function() {
alert('Somebody please help me.');
});
</script>
</head>
<body>
</body>
</html>
修复 src 中的 script tag。
编辑：实际上，如果你加载了原始语法，它将正常工作非本地环境中的页面。省略协议意味着将使用当前协议，具体取决于是否通过 http 或 https 加载资源。在本地加载意味着该脚本是从 file：/// ajax.googleapis.com / .... 加载的，显然无法解析为任何内容。有关详细信息，请参见此处。感谢@PetrolMan指向HTML 5样板站点。
Actually, the original syntax would work fine if you load the page in a non-local context. Leaving out the protocol implies that the 'current' protocol would be used depending on whether resources are loaded over http or https. Loading it locally implies that the script is loaded from file:///ajax.googleapis.com/...., which obviously won't resolve to anything. See here for more information. Thanks to @PetrolMan for pointing to the HTML 5 boiler plate site.
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