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How To Build Tree Menus With JavaScript


Building a JavaScript tree menu can be very challenging. At first it may even seem overwhelming, but once you get to the point where it is working the way you want it to, it will make complete sense and will be easy to update. The largest reason for this being such a difficult task is the amount of information you have to organize. I will try to do my best to simplfy the whole process. I will take you step-by-step through my tree menu building process. You will make use of various JavaScript methods like appendChild, removeChild, getElementById, innerHTML, and createElement. If you don't understand how these methods work, don't worry. You will learn how to minipulate the DOM (Document Object Model) using these methods and find that these methods are straight forward.




Follow my progression. After clicking on the link, view the source code (to view the source code, just right click the page and click "view source".) You will find all the CSS and JavaScript code in the page source code:

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