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html5 uses canvas to draw a picture_html5 tutorial skills

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Release： 2016-05-16 15:47:11
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The code is as follows:

var canvas=document.getElementById("canvas");
var cxt= canvas.getContext("2d");
var img=new Image();
img.src="cat.jpg";
cxt.drawImage(img,10,10,490,382);
/*
The test found a problem. The picture is often not visible when the browser is executed for the first time.
The picture can only be seen after refreshing once. Does anyone know the reason for this? Could you please tell me. Ah
.Hehe
*/

Related labels：
canvas html5
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