prodple.blogg.se - Resize js

Otherwise, you can continue following this tutorial and build the demo application step by step. You can clone the GitHub repository that supports this article by launching the following command: git clone Follow this step-by-step tutorial to achieve the following result on CodeSandbox: Resizing Images Using Let’s see how to resize an image with Vanilla JavaScript. As you can imagine, both of these consequences fall on end-users – we want to avoid this. As we have previously explained you might also want to compress such images. Uploading large photos is time-consuming and may cost money in bandwidth. That is because the quality of the images and their file sizes have been increasing for years.įor example, when letting users upload an image, you should always consider resizing it before uploading it. Resizing an image has become increasingly important. Thanks to the HTML element, this is a reasonably easy task to accomplish.

It is probably wise to use mechanisms to limit it to webkit browsers.In this article, you will learn how to resize an image in JavaScript, without using any external library.

The above is more apparent on mobile devices and browsers that do not support resize,Īnd might stay in that state untill clicking or tapping outside the element.

It has side effects: if you click the element it can shrink to zero size (temporarily).

It seems to work on browsers that limit the min size to initial size (WebKit e.g.

It seems to be a bit of a hack and probably wise not to rely on it on production websites.

I’m not quite sure how this makes it work.

add max-width, max-height for a sensible max size, so you don’t end up dragging the corner outside your window.

add min-width, min-height for a sensible min size, so you don’t end up with a 0x0 box that is hard to enlarge again.

add width, height for a sensible starting size.

The resize property controls if and how an element can be resized by the user by clicking and dragging the bottom right corner of the element.module helps.