Nodejs Array Contain contains(obj)

Method Source Code

const musicalAlphabet = ["A","A#","B","C","C#","D","D#","E","F","F#","G","G#"];
Array.prototype.contains = function(obj) {
  var i = this.length;
  while (i--) {/*w w w.  ja v  a2  s . c  om*/
    if (this[i] == obj) {
      return true;
    }
  }
  return false;
}
function constructHTMLTable(parent, width, height){
  tableArray = []
  table = createElement(parent , "table");
  for(var i = 0 ; i < height ; i++){
    var tr = createElement(table, "tr")
    tableArray.push([]);
    for(var j = 0 ; j <  width; j++){
      var td = createElement(tr, "td")
      tableArray[i].push(td);
    }
  }
  return tableArray
}
function createElement(parent, childToCreate){
  var node = document.createElement(childToCreate);
  for (var i=2; i < arguments.length; i++) {
    node.setAttribute(arguments[i][0],arguments[i][1]);
  }
  parent.appendChild(node);
  return node
}

Related

1. contains(obj)

   Array.prototype.contains = function(obj) {
     var i = this.length;
     while (i--) {
       if (this[i] === obj) {
         return true;
     return false;
   if (!Array.prototype.indexOf)
     Array.prototype.indexOf = function(elt )
       var len = this.length;
       var from = Number(arguments[1]) || 0;
       from = (from < 0)
            ? Math.ceil(from)
            : Math.floor(from);
       if (from < 0)
         from += len;
       for (; from < len; from++)
         if (from in this &&
             this[from] === elt)
           return from;
       return -1;
     };
   

2. contains(obj)

   Array.prototype.contains = function(obj) {
       var i = this.length;
       while (i--) {
           if (this[i] === obj) {
               return true;
       return false;
   

3. contains(obj)

   Array.prototype.contains = function(obj) {
       var i = this.length;
       while (i--) {
           if (this[i] == obj) {
               return true;
       return false;
   };
   ...
   

4. contains(obj)

   Array.prototype.contains = function(obj) {
       var i = this.length;
       while (i--) {
           if (angular.equals(this[i], obj)) {
               return true;
       return false;
   };
   ...
   

5. contains(obj)

   Array.prototype.contains = function(obj){
     var i = this.length;
       while (i--) {
           if (this[i] == obj) {
               return true;
       return false;
   

6. contains(obj)

   Array.prototype.contains = function(obj) {
       var i = this.length;
       while (i--) {
           if (this[i] === obj) {
               return true;
       return false;
   Array.prototype.getUnique = function(){
      var u = {}, a = [];
      for(var i = 0, l = this.length; i < l; ++i){
         if(u.hasOwnProperty(this[i])) {
            continue;
         a.push(this[i]);
         u[this[i]] = 1;
      return a;
   

7. contains(obj)

   Array.prototype.contains = function(obj) {
       var i = this.length;
       while (i--) {
           if (this[i].x == obj.x && this[i].y == obj.y) {
               return true;
       return false;
   

8. contains(obj)

   Array.prototype.contains = function(obj) {
     var i = this.length;
     while (i--) {
       if (this[i] === obj) {
         return true;
     return false;
   

9. contains(obj)

   Array.prototype.contains = function(obj) {
       if(!obj) return false;
       var i = this.length;
       while (i--) {
           if (this[i].trim().toLowerCase() === obj.trim().toLowerCase()) {
               return true;
       return false;
   ...