本文整理汇总了TypeScript中@angular/forms.FormArray.push方法的典型用法代码示例。如果您正苦于以下问题：TypeScript FormArray.push方法的具体用法？TypeScript FormArray.push怎么用？TypeScript FormArray.push使用的例子？那么, 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.push方法的6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 support inserting', () => {
a.push(c1);
a.push(c3);
a.insert(1, c2);
expect(a.controls).toEqual([c1, c2, c3]);
});示例2: it
it('should support clearing', () => {
a.push(c1);
a.push(c2);
a.push(c3);
a.clear();
expect(a.controls).toEqual([]);
a.clear();
expect(a.controls).toEqual([]);
});示例3: adaptFormArraySize
export function adaptFormArraySize(formArray: FormArray, size: number, elementProducer: (index: number) => AbstractControl) {
while (formArray.length !== size) {
if (formArray.length > size) {
formArray.removeAt(0);
} else if (formArray.length < size) {
formArray.push(elementProducer(formArray.length));
}
}
}示例4: addPayOff
addPayOff(event) {
event.preventDefault(); // ensure this button doesn't try to submit the form
const emptyPayOff = {amount: null, date: null, final: false};
// add pay off to both the model and to form controls because
// I don't think Angular has any way to do this automagically yet
this.myModel.payOffs.push(emptyPayOff);
this.payOffsFormArray.push(this.createPayOffFormGroup(emptyPayOff));
console.log('Added New Pay Off', this.payOffsFormArray);
}示例5: inject
inject([AsyncTestCompleter], (async: AsyncTestCompleter) => {
a.removeAt(1);
a.valueChanges.subscribe({
next: (value: any) => {
expect(value).toEqual(['old1', 'old2']);
async.done();
}
});
a.push(c2);
}));示例6: hinzufuegen
hinzufuegen() {
const waehrungsbetrag = new FormGroup({
betrag: new FormControl('', Validators.required),
waehrung: new FormControl('EUR', Validators.required)
});
const group = new FormGroup({
kategorie: new FormControl('', Validators.required),
position: new FormControl('', Validators.required),
waehrungsbetrag: waehrungsbetrag,
});
this.positionen.push(group);
}