为什么是undefined 我传参不太懂
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Document</title>
</head>
<body>
<div>
<span id="list1"></span><span id="list2"></span>
<button onclick="firstWorker()">star</button>
</div>
<script type="text/javascript">
var w;
firstWorker = function() {
if(typeof Worker !== "undefined") {
w = new Worker("count.js");
}
w.onmessage = function(event) {
document.getElementById("list1").innerHTML = event.data.input;
document.getElementById("list2").innerHTML = event.data.result;
}
}
</script>
</body>
</html>
count.js:///////////////////////////////////////////////////////////////
var i = 0;
var arr = new Array();
arr[0] = 0;
arr[1] = 1;
function countNum() {
i++;
postMessage({input:i,result:i+1});
if(i < 10){
setTimeout("countNum()",1000);
}
}
countNum();
yuqingzhijie35968631回答
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yuqingzhijie3596863
已解决
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相关分类
Html5
JavaScript