Javascript String subString() method

String.prototype.subString = function(){
    var arr = [];
    for(var i = 0; i < this.length; i++){
        for(var j = i + 1; j < this.length + 1; j++){
            arr.push(this.slice(i, j));// w w w.j a  v  a2  s  .c o m
        }
    }
    return arr;
}

console.log("dog".subString());

String.prototype.subString = function()   
{  /*  ww  w .j av a 2  s.co m*/
  var subset = [];  
  for (var m = 0; m < this.length; m++)   
  {  
    for (var n = m+1; n<this.length+1; n++)   
    {  
      subset.push(this.slice(m,n));  
    }  
  }  
  return subset;  
};  
  
console.log("dog".subString());

String.prototype.substring = function(){
 var returnArray = [];
 for (var i =  0; i < this.length; i++) {
  for(var j = i; j< this.length; j++){
   returnArray.push(this.slice(i,j+1));//from w  w w .  j av  a2  s .c  o m
  }
 };
 return returnArray;
}

var str = "cat"
console.log(str.substring())

String.prototype.subString = function(){
  let subs = [];/*from w  ww. ja v  a 2s. c  o  m*/
  for (let i = 0; i <= this.length - 1; i++) {
    for (let j = i + 1; j <= this.length; j++) {
      subs.push(this.slice(i, j));
    }
  }
  return subs;
};


console.log("cat".subString());

String.prototype.substring = function() {
  var result = [];
  for (var i = 0; i < this.length; i++) {
    for (var j = i + 1; j < this.length + 1; j++) {
      result.push(this.slice(i,j))//from   ww w. j  a  v a2  s.c  o m
    }
  }
  return result;
}

var word = "catx";
console.log(word.substring());