本文整理匯總了TypeScript中@angular/forms.FormArray.patchValue方法的典型用法代碼示例。如果您正苦於以下問題：TypeScript FormArray.patchValue方法的具體用法？TypeScript FormArray.patchValue怎麽用？TypeScript FormArray.patchValue使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類@angular/forms.FormArray的用法示例。
在下文中一共展示了FormArray.patchValue方法的3個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的TypeScript代碼示例。
示例1: it
it('should not emit valueChange events for skipped controls', () => {
form.valueChanges.subscribe(() => logger.push('form'));
a.valueChanges.subscribe(() => logger.push('array'));
c.valueChanges.subscribe(() => logger.push('control1'));
c2.valueChanges.subscribe(() => logger.push('control2'));
a.patchValue(['one']);
expect(logger).toEqual(['control1', 'array', 'form']);
});示例2: it
it('should not fire an event when explicitly specified', fakeAsync(() => {
form.valueChanges.subscribe((value) => { throw 'Should not happen'; });
a.valueChanges.subscribe((value) => { throw 'Should not happen'; });
c.valueChanges.subscribe((value) => { throw 'Should not happen'; });
c2.valueChanges.subscribe((value) => { throw 'Should not happen'; });
a.patchValue(['one', 'two'], {emitEvent: false});
tick();
}));示例3: it
it('should ignore any value provided for a missing control (superset)', () => {
a.patchValue([, , 'three']);
expect(a.value).toEqual(['', '']);
});