Bug 126922
| Summary: | 'index in array' needs to be fast | ||
|---|---|---|---|
| Product: | WebKit | Reporter: | Oliver Hunt <oliver> |
| Component: | JavaScriptCore | Assignee: | Filip Pizlo <fpizlo> |
| Status: | NEW | ||
| Severity: | Normal | ||
| Priority: | P2 | ||
| Version: | 528+ (Nightly build) | ||
| Hardware: | Unspecified | ||
| OS: | Unspecified | ||
Oliver Hunt
A lot of array functions take the form of
...
var length = foo.length;
for (var i = 0; i < length; i++) {
if (!(i in foo) continue
...
}
| Attachments | ||
|---|---|---|
| Add attachment proposed patch, testcase, etc. |