Nodejs Array Shuffle shuffle()

Here you can find the source of shuffle()

Method Source Code

// Extend array to do a shallow shuffle of the objects
Array.prototype.shuffle = function() {
    for (i = this.length - 1; i > 0; i--) {
        var temp = this[i];
        var random = Math.floor(Math.random() * (i + 1));

        this[i] = this[random];/*w ww.ja  v  a  2  s. c  o m*/
        this[random] = temp;
    }

    return this;
};

Related

  1. shuffle()
    Array.prototype.shuffle = function() {
      var i = this.length,
          j,
          temp;
      while( --i ) {
        j = Math.floor( Math.random() * (i - 1) );
        temp = this[i];
        this[i] = this[j];
        this[j] = temp;
    ...
    
  2. shuffle()
    Array.prototype.shuffle = function() {
      var i = this.length, j, tempi, tempj;
      if ( i == 0 ) return false;
      while ( --i ) {
         j       = Math.floor( Math.random() * ( i + 1 ) );
         tempi   = this[i];
         tempj   = this[j];
         this[i] = tempj;
         this[j] = tempi;
    ...
    
  3. shuffle()
    Array.prototype.shuffle = function() {
      var i = this.length, j, tempi, tempj;
      if ( i === 0 ) return false;
      while ( --i ) {
         j       = Math.floor( Math.random() * ( i + 1 ) );
         tempi   = this[i];
         tempj   = this[j];
         this[i] = tempj;
         this[j] = tempi;
    ...
    
  4. shuffle()
    Array.prototype.shuffle = function () {
        var i, swap, ind;
        for (i = this.length - 1; i > 0; --i) {
            ind = parseInt(Math.random() * i);
            swap = this[i];
            this[i] = this[ind];
            this[ind] = swap;
        return this;
    ...
    
  5. shuffle()
    Array.prototype.shuffle = function () {
      var rand, value, i;
      if (!this || this.length === 0) { return this; }
      for (i = 0; i < this.length; i++) {
        rand        = Math.floor(Math.random() * i);
        value       = this[i];
        this[i]     = this[rand];
        this[rand]  = value;
      return this;
    };
    
  6. shuffle()
    Array.prototype.shuffle = function() {
        var i = this.length, j, tempi, tempj;
        if ( i == 0 ) return this;
        while ( --i ) {
            j       = Math.floor( Math.random() * ( i + 1 ) );
            tempi   = this[i];
            tempj   = this[j];
            this[i] = tempj;
            this[j] = tempi;
    ...
    
  7. shuffle()
    Array.prototype.shuffle = function () {
        for (var j, x, i = this.length; i; j = Math.floor(Math.random() * i), x = this[--i], this[i] = this[j], this[j] = x);
        return this;
    };
    
  8. shuffle()
    Array.prototype.shuffle = function() {
      let input = this;
      for (let i = input.length - 1; i >= 0; i--) {
        let randomIndex = Math.floor(Math.random() * (i + 1));
        let itemAtIndex = input[randomIndex];
        input[randomIndex] = input[i];
        input[i] = itemAtIndex;
      return input;
    ...
    
  9. shuffle()
    Array.prototype.shuffle =  function() {
      var i, j, t;
      for (i = 1; i < this.length; i++) {
        j = Math.floor(Math.random()*(1+i));  
        if (j != i) {
          t = this[i];                        
          this[i] = this[j];
          this[j] = t;