What is the usage of escape in css
escape在css中的使用语法是“escapedStr = CSS.escape(str);”;“CSS.escape()”静态方法返回DOMString包含作为参数传递的转义字符串,主要用作CSS选择器的一部分;其使用示例如“document.querySelector('#' + CSS.escape(id) + ' > img');”。
本教程操作环境:Windows10系统、CSS3版、DELL G3电脑
escape在css中用法是什么?
CSS.escape()
静态方法返回 DOMString 包含作为参数传递的转义字符串,主要用作 CSS 选择器的一部分。
语法
escapedStr = CSS.escape(str);
参数
str:The DOMString to be escaped.
实例
基本结果
CSS.escape(".foo#bar") // "\.foo\#bar" CSS.escape("()[]{}") // "\(\)\[\]\{\}" CSS.escape('--a') // "--a" CSS.escape(0) // "\30 ", Unicode 代码点“0”是 30 CSS.escape('\0') // "\ufffd", Unicode 替换字符
在上下文使用
要转义一个字符串作为选择器使用, escape()方法可以用于:
var element = document.querySelector('#' + CSS.escape(id) + ' > img');
escape()方法也可以用于转义字符串,它也转义了不严格需要转义的字符:
var element = document.querySelector('a[href="#' + CSS.escape(fragment) + '"]');
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