Nodejs Array Contain contains(o)

Method Source Code

/**// w ww.j  av  a 2  s  .c  o  m
 * judge the target in Array
 * 
 * @param o the target
 * @returns {Boolean}
 */
Array.prototype.contains = function(o) {
   var flag = false;
   for (var i = 0; i < this.length; i++) {
      if (this[i] == o) {
         flag = true;
         break;
      }
   }
   return flag;
};

/**
 * trim blank character
 * 
 * @returns
 */
Object.prototype.trim = function() {
   return this.replace(/(^\s*)|(\s*$)/g, '');
}

Related

1. contains(key, value)

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

2. contains(mxd,strict)

   Array.prototype.contains = function(mxd,strict) {
       for(i in this) {
       if(this[i] == mxd && !strict) return true;
         else if(this[i] === mxd) return true;
       return false;
   

3. contains(n)

   Array.prototype.contains = function(n) {
     return this.indexOf(n) !== undefined;
   };
   

4. contains(needle)

   Array.prototype.contains = function(needle) {
     return this.indexOf(needle) !== -1;
   };
   

5. contains(o)

   Array.prototype.contains = function(o) {
     for (var i = 0; i < this.length; i++) {
       if (this[i] == o) {
         return true;
     return false;
   

6. contains(o, comparer)

   Array.prototype.contains = function (o, comparer) {
     comparer = comparer || EqualityComparer;
     var l = this.length;
     while (l-- > 0)
       if (comparer(this[l], o) === true) return true;
     return false;
   };
   

7. contains(obj)

   Array.prototype.contains = function(obj)
     for(i=0;i<this.length;i+=1)
       if(this[i] === obj)
         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) {
     var i = this.length;
     while (i--) {
       if (this[i] === obj) {
         return true;
     return false;
   };
   ...