As domestic website development has matured, plenty of companies have started asking for improvements to their admin interfaces. What follows is how to build a side navigation menu with jQuery. Requirement: make a navigation where clicking a different link shows the corresponding content. First, build a basic HTML and CSS layout Next, do a bit of simple analysis. The submenu content is hidden when the page opens; when you click a navigation link with the mouse, an action fires that displays the hidden sub-navigation. That’s show() to display and hide() to hide With that, tune the corresponding CSS and the effect appears Finally, here is the complete code <!DOCTYPE html>