javascript - How to "remove class" with jQuery? -

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i have following code show , hide div if want click on image can add class if want remove clicking image open again. can explain me how works?

https://jsfiddle.net/bmhv3edw/

$(document).ready(function() {     function close_answer_section() {         $('.question-text').removeclass('active');         $('.answer-section-content').slideup(300).removeclass('open');     }      $('.question-text').click(function(e) {         var currentattrvalue = $(this).attr('href');          if($(e.target).is('.active')) {             close_answer_section();         }else {             close_answer_section();              $(this).addclass('active');             $('.questions ' + currentattrvalue).slidedown(300).addclass('open');          }          e.preventdefault();     }); });

you can see when clicked on img, e.target <img>, don't have class .active, it'll trigger false part.

solution, change 

if($(e.target).is('.active')) {

to 

if($(this).is('.active')) {

see jsfiddle


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