Nodejs Object Key Get keys()

Here you can find the source of keys()

Method Source Code

Object.prototype.keys = function() {
    var keys = [];
    $.each(this, function(key, value) {
        keys.push(key);//from ww w.ja v  a 2  s.  com
    });
    return keys;
};

Related

  1. keyAt(index)
    Object.prototype.keyAt = function(index){
      return Object.keys(this)[index];
    
  2. keys_length()
    Object.defineProperty(Object.prototype, 'keys_length', {
        enumerable:false,
        value:function() {
            var size = 0, key;
            for (key in this) {
                if (this.hasOwnProperty(key)) size++;
            return size;
    })
    
  3. getKeys()
    Object.prototype.getKeys = function(){
      var keys = [];
      for (var key in this) {
        if (this.hasOwnProperty(key)) {
          keys.push(key);
      return keys
    
  4. getOwn(key, defaultValue)
    Object.prototype.getOwn = function(key, defaultValue) {
        if (this.hasOwnProperty(key)) {
      return this[key];
        else {
      return defaultValue;
    };
    
  5. hasKey(skey)
    Object.prototype.hasKey = function(skey){
      for (var key in this) {
        if (this.hasOwnProperty(key)) {
          if(key==skey){
            return true
      return false
    ...