Canvas enables the image to zoom in and out based on the slider

This article describes how to zoom in and out images by using a canvas Based on the slider, which has good reference value, next, let's take a look at the small Editor. This article mainly introduces the canvas Implementation of the Image Based on the slider zoom in and out effect examples, with good reference value. Let's take a look at it with the small Editor below.

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Figure (3) enlarged

The Code is as follows: