Without further ado, please see the code
<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title></title>
</head>
<body>
<button >Call the first type</button>
<button >Call the second type</button>
<button >Call the third type</button>
<script>
var btn1=('btn1');
=function(){
=bg1()
};
var btn2=('bnt2');
=function(){
=bg2();
};
var btn3=('btn3');
=function(){
=bg3();
};
function bg1(){
return '#'+(()*256).toString(10);
}
function bg2(){
return '#'+(()*0xffffff).toString(16);
}
function bg3(){
var r=(()*256);
var g=(()*256);
var b=(()*256);
return "rgb("+r+','+g+','+b+")";//The splicing of all methods can be replaced with the new ES6 feature `other string {$ variable name}`` }
</script>
</body>
</html>
The above is all the content of this article. I hope that the content of this article will help you study or work. I also hope to support me more!