本文整理汇总了TypeScript中@angular/forms.FormArray.patchValue方法的典型用法代码示例。如果您正苦于以下问题:TypeScript FormArray.patchValue方法的具体用法?TypeScript FormArray.patchValue怎么用?TypeScript FormArray.patchValue使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类@angular/forms.FormArray
的用法示例。
在下文中一共展示了FormArray.patchValue方法的3个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的TypeScript代码示例。
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(['', '']);
});