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Showing posts with the label Dom Events

Get Bounding Client Rectangle Without Borders

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

Change The Color Of An Option When Selected

I want an option to change color when selected by a user. For Example: a user selects the red optio… Read more Change The Color Of An Option When Selected

Why Not Use Javascript Handlers On The Body Element?

As an answer to the question of 'How do you automatically set the focus to a textbox when a web… Read more Why Not Use Javascript Handlers On The Body Element?

Save Html5 Video Currenttime Before User Leaves Or Closes Page

I would like to save the position of HTML5 video's currentTime to the database when user leaves… Read more Save Html5 Video Currenttime Before User Leaves Or Closes Page

Get Id Of Clicked Element Without Putting Any Js Code In The Html

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

Not Setting Focus To Text Field In Firefox

I faced a very interesting issue. I'm trying to set the focus on a input field using Javascript… Read more Not Setting Focus To Text Field In Firefox

Detect If An Element Is Visible (without Using Jquery)

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)

Drawing Multiple Images To A Canvas Using Image.onload

I am running into problems when trying to draw a large 2D array of images onto a canvas. Using a se… Read more Drawing Multiple Images To A Canvas Using Image.onload