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I want to inject the javascript code to the website by Tampermonkey(a browser plugin which can inje… Read more How To Set The Event To Be Triggered First?

I'm making a web app where a button's behavior is different if the user clicks vs holds the… Read more When Does A Click Become A Hold?

I need to get the ID of an element that was clicked, but I need to to keep all my js and html separ… Read more Get Id Of Clicked Element Without Putting Any Js Code In The Html

I'm trying to detect if an html element I gave an id is visible or not without using jquery. Th… Read more Detect If An Element Is Visible (without Using Jquery)

I made a function that transforms mouse coordinates to canvas pixel coordinates: /* Returns pixel c… Read more Get Bounding Client Rectangle Without Borders

I'm trying to write a web application which has some sensitive content in it. I have already pr… Read more How To Capture Printscreen Event In Javascript?

I have a menu bar with hover effects, and now I want to place a transparent image with a circle and… Read more Ignore Mouse Interaction On Overlay Image

I want to be able to add multiple points as a reference place where I can show the horizontal line.… Read more How To Add A Horizontal Line At A Specific Point In Chart.js When Hovering?