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how to get last array element
(version: 1)
Comparing performance of:
slice and index vs spread and pop vs get by length
Created:
one year ago
by:
Guest
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HTML Preparation code:
<!--your preparation HTML code goes here-->
Script Preparation code:
/*your preparation JavaScript code goes here To execute async code during the script preparation, wrap it as function globalMeasureThatScriptPrepareFunction, example:*/ async function globalMeasureThatScriptPrepareFunction() { // This function is optional, feel free to remove it. // await someThing(); }
Tests:
slice and index
var array = [0,1,2,3,4,5,6,7,8,9,10]; var result = array.slice(-1)[0];
spread and pop
var array = [0,1,2,3,4,5,6,7,8,9,10]; var result = [...array].pop();
get by length
var array = [0,1,2,3,4,5,6,7,8,9,10]; var result = array[array.length - 1];
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (3)
Previous results
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Test case name
Result
slice and index
spread and pop
get by length
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
one year ago
)
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/132.0.0.0 Whale/4.30.291.11 Safari/537.36
Browser/OS:
Chrome 132 on Mac OS X 10.15.7
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Test name
Executions per second
slice and index
68380208.0 Ops/sec
spread and pop
68780424.0 Ops/sec
get by length
251725984.0 Ops/sec
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Pushing
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