我换成BUTTON 哪里出错了运行不了-慕课网

我换成BUTTON 哪里出错了运行不了

来源：7-22 数组排序sort()

慕移动1741139

2017-08-15 09:55

<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Array对象 </title>
<script type="text/javascript">
function sortNum(a,b) {
var myarr = new Array("80","16","50","6","100","1");
return b - a;
var soult = myarr.sort(sortNum);
}
document.getElementById("demo").innerHTML=soult;
</script>
</head>
<body>
<button onclick="sortNum(a,b)">点我对函数排序</button>
<p id="demo">80,16,50,6,100,1</p>
</body>
</html>

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2回答

慕粉4395516

2017-08-15 11:09:01

已采纳

function sortNum() {
var soult;
var myarr = new Array("80","16","50","6","100","1");
soult = myarr.sort(function compare(a,b){return a -b;});
document.getElementById("demo").innerHTML=soult;
}

5 1

慕粉4395... 回复慕移动174...

啊，没懂你的意思

2017-08-15 13:54:31

共 5 条回复 >
慕圣9424722

2017-08-19 00:47:55

<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Array对象 </title>
<script type="text/javascript">
function b(){
var myarr = new Array("80","16","50","6","100","1");
function sortNum(a,b) {
return b - a; //升序
}
var soult = myarr.sort(sortNum);
document.getElementById("demo").innerHTML=soult;
}
</script>
</head>
<body>
<button onclick="b()">点我对函数排序</button>
<p id="demo">80,16,50,6,100,1</p>
</body>
</html>

1 0

慕圣9424...

<script type="text/javascript"> function sortNum() { var soult; var myarr = new Array("80","16","50","6","100","1"); soult = myarr.sort(function(a,b){return a -b;}); document.getElementById("demo").innerHTML=soult; } </script>

2017-08-19 01:01:44

共 1 条回复 >