<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>菜鳥教程(runoob.com)</title>
</head>
<body>
<p id="demo">點擊按鈕將數組作爲字符串輸出。</p>
<button onclick="myFunction()">點我</button>
<script>
var str="";
Array.prototype.myjoin=function(sss){
if(!sss){
sss=","
}
for(var i=0;i<this.length-1;i++){
str+=this[i]+sss;
}
return str+this[this.length-1];
}
function myFunction(){
var fruits = ["Banana", "Orange", "Apple", "Mango"];
var x=document.getElementById("demo");
x.innerHTML=fruits.myjoin(" and ");
}
</script>
</body>
</html>
記錄下自己的學習過程