Wechat applet is based on JavaScript, so your question can actually be translated into "How does JavaScript compare hexadecimal color values".

For details, please refer to the online tutorial: RGB and hexadecimal conversion of color values.

The hexadecimal comparison size of JavaScript gives a simple code.

& lt！ DOCTYPE？ html & gt

& lthtml & gt

& lthead & gt

& ltmeta？ charset="UTF-8 " >

& lttitle & gt insert? Title? Here & lt/title & gt；;

& lt/head & gt；

& ltbody & gt

& lt/body & gt；

& lt script? type = " text/JavaScript " & gt；

if(0xff？ & gt？ 0xdd){

alert("0xff？ & gt？ 0xdd？ Is it? True ");

alert(parse int(" 0x ff "))； //hexadecimal to decimal

alert(parse int(" 0x DD "))；

}

if(0xff？ & lt？ 0xdd){

alert("0xff？ & lt？ 0xdd？ Is it? True ");

}

& lt/script & gt；

& lt/html & gt；