var cs = "hello world!";
document.write(cs.fontcolor("red"));
It feels like it’s rarely used, right?
漂亮男人2017-05-18 11:00:28
Basically it will not be used. Nowadays, whoever develops does not use a framework, so the underlying functions will be less used.
阿神2017-05-18 11:00:28
I’ve never seen this usage before. Isn’t it all about adding classes to DOM elements? 9