join/concat

Benchmark created by Stoyan on September 22, 2010

Test runner

var res = '',
    count = 10000;
while (count--) {
 res += 'a';
}

var res = [],
    count = 10000;
while (count--) {
 res.push('a');
}
res = res.join('');

Revisions

You can edit these tests or add more tests to this page by appending /edit to the URL.

• Revision 1: published by Stoyan on September 22, 2010
• Revision 2: published by lifesinger on September 27, 2010
• Revision 3: published by lifesinger on September 27, 2010
• Revision 5: published by GregWa on October 4, 2010
• Revision 6: published by Vladimir Sitnikov on October 5, 2010
• Revision 16: published by galambalazs on December 4, 2010
• Revision 19: published by Tilo on December 13, 2010
• Revision 20: published on May 19, 2011
• Revision 21: published on May 19, 2011
• Revision 22: published by JasonC on June 14, 2011
• Revision 23: published on July 16, 2011
• Revision 24: published on July 16, 2011
• Revision 25: published by Milan Adamovsky on October 24, 2011
• Revision 26: published on October 25, 2011
• Revision 27: published by Chrisgl on October 26, 2011
• Revision 28: published by Lodewijk Andre de la Porte on January 8, 2012
• Revision 29: published by Lodewijk Andre de la Porte on January 9, 2012
• Revision 30: published on February 21, 2012
• Revision 31: published on February 21, 2012
• Revision 34: published by Troy Kruthoff on March 15, 2012
• Revision 35: published on March 23, 2012
• Revision 36: published on April 21, 2012
• Revision 37: published on May 15, 2012
• Revision 38: published on May 15, 2012
• Revision 39: published on July 12, 2012
• Revision 40: published on August 2, 2012
• Revision 41: published on November 5, 2012
• Revision 42: published by rvignacio on November 19, 2012
• Revision 43: published by Piet on November 29, 2012
• Revision 44: published on February 14, 2013
• Revision 45: published on February 23, 2013
• Revision 46: published on February 26, 2013
• Revision 48: published by ebryn on April 1, 2013
• Revision 49: published on April 1, 2013
• Revision 50: published on May 14, 2013
• Revision 52: published by nerdgore on May 22, 2013
• Revision 53: published on May 23, 2013
• Revision 54: published by safety on June 19, 2013
• Revision 56: published on July 3, 2013
• Revision 57: published on July 3, 2013
• Revision 58: published on July 3, 2013
• Revision 59: published on July 8, 2013
• Revision 60: published by john schroder on July 8, 2013
• Revision 61: published by john schroder on July 8, 2013
• Revision 62: published on July 8, 2013
• Revision 63: published on July 8, 2013
• Revision 64: published on August 4, 2013
• Revision 65: published on August 8, 2013
• Revision 66: published by looping on August 20, 2013
• Revision 67: published by looping on August 20, 2013
• Revision 68: published on August 22, 2013
• Revision 69: published on August 22, 2013
• Revision 70: published on August 23, 2013
• Revision 71: published by Charmander on August 23, 2013
• Revision 72: published on September 18, 2013
• Revision 73: published by Stacey Abshire on October 22, 2013
• Revision 76: published by A on November 25, 2013
• Revision 78: published on January 23, 2014
• Revision 79: published on February 12, 2014
• Revision 80: published on February 14, 2014
• Revision 82: published on March 16, 2014
• Revision 83: published on March 22, 2014
• Revision 84: published on March 31, 2014
• Revision 85: published on April 18, 2014
• Revision 87: published on May 8, 2014
• Revision 89: published on May 13, 2014
• Revision 90: published by Sasha Aickin on May 28, 2014
• Revision 91: published on May 28, 2014
• Revision 92: published on June 9, 2014
• Revision 93: published on June 13, 2014
• Revision 96: published on July 16, 2014
• Revision 97: published on July 16, 2014
• Revision 98: published on July 16, 2014
• Revision 99: published on July 16, 2014
• Revision 100: published on July 24, 2014
• Revision 102: published by LendLord on August 27, 2014
• Revision 104: published on September 14, 2014
• Revision 105: published on September 19, 2014
• Revision 106: published on September 24, 2014
• Revision 107: published on October 3, 2014
• Revision 108: published on October 22, 2014
• Revision 109: published by X on October 28, 2014
• Revision 110: published on October 29, 2014
• Revision 111: published on November 6, 2014
• Revision 112: published by Marcel on November 10, 2014
• Revision 113: published on December 13, 2014
• Revision 122: published by kaloncpu57 on March 3, 2015
• Revision 158: published on December 7, 2018
• Revision 168: published by Gandalf S. on April 12, 2017
• Revision 189: published by Vladimir Liubimov on April 12, 2019
• Revision 191: published on November 3, 2023
• Revision 192: published on November 3, 2023
• Revision 194: published on August 22, 2024
• Revision 195: published on August 22, 2024
• Revision 198: published on October 15, 2024
• Revision 200: published on October 25, 2024
• Revision 201: published on October 25, 2024