Nodejs Array Contain contains(item)

Here you can find the source of contains(item)

Method Source Code

// Returns true if the given item is contained in the array.
Array.prototype.contains = function (item) {
    for (var i = 0; i < this.length; i++) {
        if (this[i] == item) return true;
    }//from w w w .j  av a 2 s.c  o m
    return false;
};

Related

  1. contains(item)
    Array.prototype.contains = function(item) {
        if (typeof(item) === 'function') {
            return this.some(item);
        return this.indexOf(item) >= 0;
    };
    
  2. contains(item)
    Array.prototype.contains = function(item) {
      return this.indexOf(item) === -1 ? false : true
    
  3. contains(item)
    Array.prototype.contains = function (item) {
        for (i in this) {
            if (this[i] === item) {
                return true;
        return false;
    };
    
  4. contains(item)
    Array.prototype.contains = function (item) {
      for (var i=0; i<this.length; ++i)
        if (this[i] == item)
          return true;
      return false;
    };
    
  5. contains(item)
    Array.prototype.contains = function(item){
        for(i=0;i<this.length;i++){
            if(this[i]==item){return true;}
        return false;
    };
    
  6. contains(item)
    Array.prototype.contains = function(item)
      return this.indexOf(item) != -1;
    };
    
  7. contains(item)
    Array.prototype.contains = function(item){
      var contains = false;
      for (var i=0; i<this.length; i++){
        if (this[i] === item){
          contains = true;
          break;
      return contains;
    ...
    
  8. contains(item, from)
    Array.prototype.contains = function (item, from) {
        return this.indexOf(item, from) !== -1;
    };
    
  9. contains(item, from)
    Array.prototype.contains = function(item, from){
      return this.indexOf(item, from) != -1;