Math.floor vs Math.round vs parseInt vs Bitwise

JavaScript performance comparison

Revision 94 of this test case created

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Testing in unknown unknown
Test Ops/sec
Math.floor
Math.floor("89.938" / "293.3");
Math.floor("83784" / "9289.2");
Math.floor("7" / "60");
pending…
Math.round
Math.round("89.938" / "293.3");
Math.round("83784" / "9289.2");
Math.round("7" / "60");
pending…
parseInt
parseInt("89.938" / "293.3");
parseInt("83784" / "9289.2");
parseInt("7" / "60");
pending…
Bitwise |
("89.938" / "293.3") | 0;
("83784" / "9289.2") | 0;
("7" / "60") | 0;
pending…
Bitwise
("89.938" / "293.3") >> 0;
("83784" / "9289.2") >> 0;
("7" / "60") >> 0;
pending…
~
~~("89.938" / "293.3");
~~("83784" / "9289.2");
~~("7" / "60");
pending…
Number
Number("89.938" / "293.3");
Number("83784" / "9289.2");
Number("7" / "60");
pending…
Internal Conversion
("89.938" / "293.3");
("83784" / "9289.2");
("7" / "60");
pending…
No Conversion
(89.938 / 293.3);
(83784 / 9289.2);
(7 / 60);
pending…

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