i++ vs ++i

Benchmark created by MONTILLET Xavier on

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i++ | Post-increment
var i = 0,
    pre = 0,
    post = 0;
while (i < 999) {
 pre += i;
 i++;
 post += i;
}
if (pre !== 498501 || post !== 499500) {
 throw new Error("Bad result!");
}
ready
++i | Pre-increment
var i = 0,
    pre = 0,
    post = 0;
while (i < 999) {
 pre += i;
 ++i;
 post += i;
}
if (pre !== 498501 || post !== 499500) {
 throw new Error("Bad result!");
}
ready

Revisions

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  • Revision 1: published by MONTILLET Xavier on