Detailed explanation of the steps to get random colors with jQuery
This time I will bring you a detailed explanation of the steps for jQuery to obtain random colors. What are the precautions for jQuery to obtain random colors? The following is a practical case, let's take a look.
1.js
//获取十六进制颜色
function randomColor1(){
var r = Math.floor(Math.random()*256);
var g = Math.floor(Math.random()*256);
var b = Math.floor(Math.random()*256);
if(r < 16){
r = "0"+r.toString(16);
}else{
r = r.toString(16);
}
if(g < 16){
g = "0"+g.toString(16);
}else{
g = g.toString(16);
}
if(b < 16){
b = "0"+b.toString(16);
}else{
b = b.toString(16);
}
return "#"+r+g+b;
}
$("h3").css("color",randomColor1());2.html
.
Get any color< /h3>
##The following is a piece of code about several ways to generate random colors in js<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title></title>
</head>
<body>
<button id="btn1">调用第一种</button>
<button id="bnt2">调用第二种</button>
<button id="btn3">调用第三种</button>
<script>
var btn1=document.getElementById('btn1');
btn1.onclick=function(){
document.body.style.background=bg1()
};
var btn2=document.getElementById('bnt2');
btn2.onclick=function(){
document.body.style.background=bg2();
};
var btn3=document.getElementById('btn3');
btn3.onclick=function(){
document.body.style.background=bg3();
};
function bg1(){
return '#'+Math.floor(Math.random()*256).toString(10);
}
function bg2(){
return '#'+Math.floor(Math.random()*0xffffff).toString(16);
}
function bg3(){
var r=Math.floor(Math.random()*256);
var g=Math.floor(Math.random()*256);
var b=Math.floor(Math.random()*256);
return "rgb("+r+','+g+','+b+")";//所有方法的拼接都可以用ES6新特性`其他字符串{$变量名}`替换
}
</script>
</body>
</html>
Recommended reading:
Detailed explanation of JavaScript callback function use casesWhat are the precautions for using React NavigationThe above is the detailed content of Detailed explanation of the steps to get random colors with jQuery. For more information, please follow other related articles on the PHP Chinese website!
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