A question of JavaScript About arrFor example,this is a part of the program.Var arr,level=9arr=new Array()arr[0]=new Array() Question:What's the meaning of arr?How to use it?

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A question of JavaScript About arrFor example,this is a part of the program.Var arr,level=9arr=new Array()arr[0]=new Array() Question:What's the meaning of arr?How to use it?
A question of JavaScript About arr
For example,this is a part of the program.
Var arr,level=9
arr=new Array()
arr[0]=new Array()
Question:What's the meaning of arr?How to use it?

A question of JavaScript About arrFor example,this is a part of the program.Var arr,level=9arr=new Array()arr[0]=new Array() Question:What's the meaning of arr?How to use it?
javascript is a Dynamic Scripting Language
var arr; // means that arr can be an integer,time(),array,etc.
arr = new Array() // means now arr is an array
arr[0] = new Array() // means that the first value of arr is an array
arr[1] = 12; // means the second value of arr is a integer
Damn English...

A QUESTION OF怎么样 A Question Of Time 歌词 28.His success is________.A.in question B.besides the question C.out of the question D.out of question which letter is a kind of question? which letter has a lot of question “ask a question of sb”还是“ask a question to sb” out of question/out of the question Out of question,Out of the question it is more a question of pride than anything else it is a question of prideit is more a question of pride than anything elseit is a question of pride as much as anything else这两句分别是什么意思 A question of Englishturn left = turn to the right? a lot of questions是不是question加S.为什么 a lot of always'she;question;has连词成句 That's a bit of an odd question.中文翻译是什么? He was ashamed of having asked such a silly question. Hanz gives me a piece of chalk.(Question with What) The m_____ question is a lack of time. ask sb a question等不等于ask a question of sb ask a question of sb意思不是问一个有关于你的问题吗? 6.26''Q1 外语It's Not a Question of Whether,but a Question of How.怎么翻译