How can I toggle in pure JavaScript?


I am on step 10 of JavaScript and the DOM.


I would like to know how to do this in pure JavaScript, without jQuery.
I know it would involve if/else.


A slight correction... className must be quoted in a selector. $('.projects')

Here is one approach...

Something to consider... A class selector is not very specific and will return a collection of nodes which all bear the same class. Something like toggle() will most likely need to affect only one element at any one time.

var projects = document.getElementsByClassName('projects');

There could be multiple nodes in the collection. Is the one we are targeting the first one?



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