How to add 1 like with jQuery

How to add 1 like with jQuery: 1. Import jquery; 2. Set HTML and CSS code; 3. Pass the code "$(".liker").on("click",function() {...}" method can achieve the effect of adding 1 likes.

The operating environment of this article: Windows 7 system, jquery-3.3.1 version, DELL G3 Computer

How to add 1 like with jQuery?

Jquery one Simple like effect, achieve the number of likes 1

1, import JS

<script src="js/jquery-3.3.1.js" type="text/javascript" charset="utf-8"></script>

2, CSS code

a{
	text-decoration:none ;
	color: #999999;}.red{
	color: red;}

3, HTML code

<p>王思葱竟然也是舔狗？<a href="#"><span class="liker">❤999</span></a></p><p>震惊，一名科学家发现每刷一分钟抖音，人的生命就会减少60秒！<a href="#"><span class="liker">❤520</span></a></p>

4. JS code

$(function(){
	//点赞
	$(".liker").on("click",function(){
		// 判断是否已经点赞过
		if($(this).hasClass("red")){
			return
		}
		//添加样式 并且数字+1
		$(this).addClass("red")
		var num=$(this).html().substring(1)
		num++
		$(this).html("❤"+num)
		//ajax更新数据
	})})

Run...

After clicking the little heart

Of course, there is no background interaction written here Code

Recommended study: "jquery video tutorial"

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