imgçonloadäºä»¶ã
var img=new Image();
img.src="a.png";
img.onload=onloaded;
function onloaded(e){
console.log("å¾çå è½½å®äº");
}<canvas width="1000" height="600" id="myCanvas" stylle="width:1000px;height:600px;"></canvas>
<script type="text/javascript">
var canvas=document.getElementById('myCanvas');
var ctx=canvas.getContext('2d');
var imagUrls=["
,"
,"
];
var n=0;
loadImg();
function loadImg(){
if(n<imagUrls.length){
var img=new Image();
img.src=imagUrls[n];
img.onload=onloaded;
}
else{
console.log("å¾çå è½½å®äº");
}
}
function onloaded(e){
var img=e.target;
ctx.drawImage(img,0,0);
n++;
loadImg();
}
</script>