How to write the code of drawing jagged rectangle with HTML5+CSS3

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We know that canvas can be used to draw graphics, canvas is a new tag that appears in HTML5, which is used to draw graphics on web pages, and canvas of H5 uses Javascript to draw graphics on web pages.

Implementation code:

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Window.addEventListener ("load", eventWindowLoaded, false)

Function eventWindowLoaded () {

Var x,y

Var theCanvas = document.getElementById ("canvas")

Var context = theCanvas.getContext ("2d")

Context.strokeStyle ='# CB9A61'

Context.lineWidth=10

Context.strokeRect (10, 10, theCanvas.width-20, theCanvas.height-20)

Context.fillStyle = "# FFFFFF"

For (Xerox)