[英]Using Javascript to insert css link into the head of a page
I 3rd party site that includes this script: 我包含此脚本的第三方网站:
var foo = "Hello World!";
(function() {
var foo = "Goodbye World!";
document.write("<p class='something'>Inside our anomymous function foo means '" + foo + '".</p>');
})();
I would now like to insert (using pure javascript) an external reference to a style sheet. 我现在想要(使用纯javascript)插入样式表的外部引用。 How can this be done? 如何才能做到这一点?
Using jquery you could do it like this: 使用jquery你可以这样做:
var css_link = $("<link>", {
rel: "stylesheet",
type: "text/css",
href: "style.css"
});
css_link.appendTo('head');
however I need to keep this pure javascript. 但是我需要保持这个纯粹的JavaScript。
Quickly tried below in Chrome and it works.. 在Chrome下面快速尝试,它的工作原理..
var styleEl = document.createElement("link");
styleEl.type = "text/css";
styleEl.href = "style.css";
document.getElementsByTagName('head')[0].appendChild(styleEl);
Place a <script>
tag in the head like this: 像这样在头部放置一个<script>
标记:
<head>
<script>
document.write('<link rel="stylesheet" type="text/css" href="style.css">');
</script>
</head>
The document.write()
function appends whatever text you have as the parameter right where the script is. document.write()
函数将您拥有的任何文本作为参数放在脚本所在的位置。
You can do it at runtime like this: 你可以在运行时这样做:
var css = document.createElement("LINK");
css.href = "style.css";
css.type = "text/css";
document.head.appendChild(css);
Edit: document.head is compatible with normal browsers and IE9+ 编辑:document.head与普通浏览器和IE9 +兼容
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