나눗셈,012,타이핑효과

//0%3 = 0;
//1%3 = 1;
//2%3 = 2;
//3%3 = 0;
//4%3 = 1;
//5%3 = 2;
//6%3 = 0;
//7%3 = 1;
//8%3 = 2;
//9%3 = 0;

var textElement = document.getElementById('txt');
var words = ["에드게이", "피이니티 왕", "에이디오바 우트라"];

function TypeWriter(txtElement, words){
	this.textElement = texElement;
    this.words = words;
    
    this.txt ="";
    this,wordIndex = 0;
    this,isDeleting =false;
}
    
typeWriter.prototype.type = function(){
	var	current = this.wordIndex %this.words.length;
    var fulltxt = this.words[current];
   
    if(this.isEdleting{
    	this.txt = fulltxt.substing(0,this.txt.length-1);
    }else{
    	this.txt = fulltxt.substing(0,this.txt.length+1);
    }
    
    this.txtElement.txtContent = this.txt;
    
    if(!this.isDeleing && this.txt===fulltxt){
    	this.isDeleting = true;
    
    } else if(this.isDeleting && this.txt===""){
      this.idDeleting = false;
      this.wordIndex++;
    }
    var that = this; //(2)..(1)을해결위해
    
    setTomeout(function(){
      //this.type()//중첩디스 윈도우(1)
      that.type(); // (3)
    }, 1000);
    
    nuw TypeWriter(txtElement, words);
    
    
    //나라면 함수 만들것도 없이 객체의 인텍스만큼 반복시키면서 0부터 1~인덱스까지 출력시키는 방법을 택할것 같은데 장단점이 있겠죠