var arr1=new Array(4); //定義數(shù)組
arr1[0]=["321"];
arr1[1]=["211"];
arr1[2]=["1111"];
var arr2=["111","2222","33333"];
arr2.push("4444","55555"); //添加一個數(shù)組（在后面）----棧
arr1.pop();//刪除最后一個元素
arr1.shift();//刪除第一個元素
arr1.unshift("aaaaaa","bbbbbb");//插入第一個元素
arr1.push("4332"); //
//slince\截取字符串 sort(function(a,b){return a-b;}) a-b大于0，a排在b后面、prompt("","")
//String slice(開始字符串，結(jié)束字符串)、subString(str,end)、substr(start,length),后兩個返回0，-1，1 slince--》返回字符串 document.write(arr1.join("*")+"</br>"); //輸出所有元素，用*分割
document.write(arr1.toString()+"</br>"); //輸出所有元素，用,分割
document.write(arr1.reverse()+"</br>"); //反轉(zhuǎn)數(shù)組
document.write(arr1.sort()+"</br>"); //排序
document.write(arr1.toString().charAt(2)+"</br>"); //返回指定位置的字符，charCodeAt
document.write("indexOf:"+arr1.toString().indexOf("a",1)+"</br>");
var gxf="hello,beijng welcome to you !!";
document.write("gxf"+gxf.slice(3,8)+"</br>");
document.write("gxf"+gxf.substring(4,5)+"</br>");
document.write("gxf"+gxf.substr(5,4)+"</br>");
document.write("gxf".localeCompare(gxf)+"</br>");
arr1.splice(3,2,"gggg","fffff","xxxxxxx","gggggggg"); //從頭開始刪除2個元素，
var arr3=arr1.concat(arr2);
for (var i=0;i<arr1.length-1;i++){
document.write("第"+i+"個數(shù)組為："+arr1[i]+"</br>");
}
for(var i in arr2){
document.write("---"+arr2[i]+"<br>");
}
for(var i in arr3){
document.write("conCat-arr3:"+arr3[i]+"<br>");
}
/* //Js模擬 二維數(shù)組
var arr3=new Array(['12343','12231','123131'],['asdcw'],['bfddssa'],['dddddddddd']);
// var arr3 = new Array(['a','b','c'],['d','e','f']);
// var arr3[]=[["123","222","2332"],["aaa","bbbb","cccc"]];
for (var h=0;h<2;h++){
for (var j=0;j<3;j++){
document.write("arr3:"+arr3[h][j]+"</br>");
}
}
*/
</script>