jQuery onclick 切换类名

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时间:2020-08-26 15:27:08  来源:igfitidea点击:

jQuery onclick toggle class name

jquery

提问by cusejuice

Using jQuery, how do I toggle classA to classB on click going from:

使用 jQuery,我如何在点击时将 classA 切换到 classB:

<a class="switch" href="#">Switch</a>
<div class="classA"></div>


$('.switch').on('click', function(e){
    $('.classA').removeClass('classA').addClass('classB');
    e.preventDefault();
};

How do I toggle the class, instead of just replacing it like I'm doing here?

我如何切换课程,而不是像我在这里做的那样简单地替换它?

回答by Matt Zeunert

jQuery has a toggleClassfunction:

jQuery 有一个toggleClass函数:

<button class="switch">Click me</button>

<div class="text-block collapsed pressed">some text</div>

<script>    
    $('.switch').on('click', function(e) {
      $('.text-block').toggleClass("collapsed pressed"); //you can list several class names 
      e.preventDefault();
    });
</script>

回答by Arun Pratap Singh

you can usetoggleClass()to toggle class it is really handy.

你可以toggleClass()用来切换类它真的很方便。

case:1

情况1

<div id='mydiv' class="class1"></div>

$('#mydiv').toggleClass('class1 class2');

output: <div id='mydiv' class="class2"></div>

case:2

案例:2

<div id='mydiv' class="class2"></div>

$('#mydiv').toggleClass('class1 class2');

output: <div id='mydiv' class="class1"></div>

case:3

案例:3

<div id='mydiv' class="class1 class2 class3"></div>

$('#mydiv').toggleClass('class1 class2');

output: <div id='mydiv' class="class3"></div>