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Check if console.error is defined

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This commit is contained in:
Bowen Ni
2016-11-22 15:06:09 -08:00
committed by vsavkin
parent 2c02d34c05
commit a6c4490fce
2 changed files with 7 additions and 3 deletions
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3
modules/@angular/platform-browser/src/browser/tools/common_tools.ts
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@ -36,6 +36,7 @@ export class AngularProfiler {
constructor(ref: ComponentRef<any>) { this.appRef = ref.injector.get(ApplicationRef); }
// tslint:disable:no-console
/**
* Exercises change detection in a loop and then prints the average amount of
* time in milliseconds how long a single round of change detection takes for
@ -75,9 +76,7 @@ export class AngularProfiler {
(<any>window.console.profileEnd)(profileName);
}
const msPerTick = (end - start) / numTicks;
// tslint:disable-next-line:no-console
window.console.log(`ran ${numTicks} change detection cycles`);
// tslint:disable-next-line:no-console
window.console.log(`${msPerTick.toFixed(2)} ms per check`);
return new ChangeDetectionPerfRecord(msPerTick, numTicks);