feat(locator): introduce Locator.waitForFunction()#41380
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Waits until a predicate, called with the matching element as its first argument, returns a truthy value. The locator is re-resolved on every poll, so it tolerates the element being re-rendered. Useful for synchronization inside helpers without asserting. Closes microsoft#41317
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Test results for "MCP"1 failed 7353 passed, 1122 skipped Merge workflow run. |
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Test results for "tests 1"2 failed 3 flaky39705 passed, 750 skipped Merge workflow run. |
yury-s
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Jun 19, 2026
| async waitForFunction<R, Arg>(pageFunction: structs.PageFunctionOn<SVGElement | HTMLElement, Arg, R>, arg?: Arg, options?: TimeoutOptions): Promise<void> { | ||
| await this._frame._channel.waitForFunction({ | ||
| selector: this._selector, | ||
| strict: true, |
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Summary
Locator.waitForFunction(pageFunction, arg?, options?)— waits until the predicate, called with the matching element as its first argument, returns a truthy value.Frame.waitForFunctionmachinery with an optionalselector; no new protocol method.References #41317