let vs var

JavaScript performance comparison

Revision 52 of this test case created by

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Java applet disabled.

Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
(strict) let
'use strict';
if(true){if(true){if(true){if(true){if(true){if(true){if(true){if(true){
if(true){if(true){if(true){if(true){if(true){if(true){if(true){if(true){
if(true){if(true){if(true){if(true){if(true){if(true){if(true){if(true){
if(true){if(true){if(true){if(true){if(true){if(true){if(true){if(true){
  let test  = 'foo bar baz'
    , test2 = 'abcdefghij'
    , test3 = test + test2
    , test4 = 10
    , test5 = 20
    , test6 = test4*test5;
}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}
pending…
(strict) var
'use strict';
if(true){if(true){if(true){if(true){if(true){if(true){if(true){if(true){
if(true){if(true){if(true){if(true){if(true){if(true){if(true){if(true){
if(true){if(true){if(true){if(true){if(true){if(true){if(true){if(true){
if(true){if(true){if(true){if(true){if(true){if(true){if(true){if(true){
  var test  = 'foo bar baz'
    , test2 = 'abcdefghij'
    , test3 = test + test2
    , test4 = 10
    , test5 = 20
    , test6 = test4*test5;
}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}
pending…

Revisions

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