RGB conversion implementation code, Taobao front-end development engineer written test questions_javascript skills

例如： #1234ff 输出 #1234ff
#123 输出 #123

#12345g 输出 #12345g

复制代码 代码如下:

function RGB(rgb)
{
reg=/^#([a-fA-F0-9]{2})([a-fA-F0-9]{2})([a-fA-F0-9]{2})$/;
if ( reg.test(rgb) )
rgb='rgb('+parseInt(RegExp.$1,16)+","+parseInt(RegExp.$2,16)+","+parseInt(RegExp.$3,16)+')';
return rgb;
}

演示代码:

<script> alert(RGB("#ff0000")) function RGB(rgb) { reg=/^#([a-fA-F0-9]{2})([a-fA-F0-9]{2})([a-fA-F0-9]{2})$/; if ( reg.test(rgb) ) rgb='rgb('+parseInt(RegExp.$1,16)+","+parseInt(RegExp.$2,16)+","+parseInt(RegExp.$3,16)+')'; return rgb; } </script>
[Ctrl+A 全选 注:如需引入外部Js需刷新才能执行]