There are three ways to declare a function
1. Ordinary declaration method:
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>三种声明函数的方式</title>
</head>
<body>
<script>
function func(m,n){
alert(m+n);
}
func(7,8);
</script>
</body></html>Test result:
##2. Use variables Declaration function:
## var func=function(m,n){
alert(m+n);
}
func(9,4);
3. Use constructor declaration:
##
var func=new Function('m','n','alert(m+n)'); func(1,7);
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