Javascript Resize Image Before Load. Var image document images 0. Below i used marvinj to create a runnable code based on the example in the following page.
Many websites or apps resize the image before sending it to the server and thus control the dimensions reduce the file size increase the uploadind speed and do not bother the user asking him to reduce the size of image file. Define a function to resize the image in javascript. The following code demonstrates how to create a javascript image object.
Below i used marvinj to create a runnable code based on the example in the following page.
Example of resizing an image using the object fit property. It has no image file associated with it. There are a few algorithms they use e g. In modern browser you can use canvas to load and save images data.