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Editor to share with you how to use html5 to make loading pictures, I believe most people do not know much about it, so share this article for your reference, I hope you can learn a lot after reading this article, let's go to know it!

The code is as follows:

Var Loading = function (canvas, option) {

This.canvas = document.getElementById (canvas)

This.options = option

}

Loading.prototype = {

Constructor: loading

Display: function () {

Var canvas = this.canvas

Begin = this.options.begin

Old = this.options.old

LineWidth = this .options.linewidth

CanvasCenter = {x:canvas.width / 2 YJV canvas.height / 2}

Ctx = canvas.getContext ("2d")

Color = this.options.color

Num = this.options.num

Angle = 0

LineCap = this.options.lineCap

CONST_PI = Math.PI * (360 / num) / 180

Window.timer = setInterval (function () {

Ctx.clearRect (0century 0canvas.widthdepartment canvas.height)

For (var I = 0; I

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