jQuery 多类选择器用法介绍

.class选择器在jQuery中用于选择多个类。
语法如下:

$(".class1, .class2, .class3, ...")

参数:
  • 类:需要此参数来指定要选择的元素的类别。
示例1:
< !DOCTYPE html> < html > < head > < script src = "https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js" > < / script > < script > $(document).ready(function() { $(".geeks, .for, .lsbin").css( "background-color", "green"); }); < / script > < / head > < body > < center > < h1 class = "geeks" > Welcome to lsbin < / h1 > < p > Geeks1< / p > < p class = "for" > Geeks2< / p > < p > Geeks3< / p > < p class = "lsbin" > Geeks3 < / p > < / center > < / body > < / html >

输出如下:
jQuery 多类选择器用法介绍

文章图片
示例2:
< !DOCTYPE html> < html > < head > < script src = "https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js" > < / script > < script > $(document).ready(function() { $(".c1, .c2").css( "background-color", "green"); }); < / script > < / head > < body > < center > < h1 class = "geeks" > Welcome to lsbin < / h1 > < p class = "c1" > Geeks1< / p > < p class = "for" > Geeks2< / p > < p class = "c2" > Geeks3< / p > < p class = "lsbin" > Geeks3 < / p > < / center > < / body > < / html >

【jQuery 多类选择器用法介绍】输出如下:
jQuery 多类选择器用法介绍

文章图片

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