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docs(forms): add text about min() and max() as functions (#21110) 

PR Close #21110
This commit is contained in:
Kapunahele Wong 2017-12-20 09:49:57 -05:00 committed by Igor Minar
parent a0ffdf1ef2
commit a66cd526c3
1 changed files with 4 additions and 0 deletions
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4
packages/forms/src/validators.ts
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@ -75,6 +75,8 @@ const EMAIL_REGEXP =
export class Validators { export class Validators {
/** /**
* Validator that requires controls to have a value greater than a number. * Validator that requires controls to have a value greater than a number.
*`min()` exists only as a function, not as a directive. For example,
* `control = new FormControl('', Validators.min(3));`.
*/ */
static min(min: number): ValidatorFn { static min(min: number): ValidatorFn {
return (control: AbstractControl): ValidationErrors | null => { return (control: AbstractControl): ValidationErrors | null => {
@ -90,6 +92,8 @@ export class Validators {
/** /**
* Validator that requires controls to have a value less than a number. * Validator that requires controls to have a value less than a number.
* `max()` exists only as a function, not as a directive. For example,
* `control = new FormControl('', Validators.max(15));`.
*/ */
static max(max: number): ValidatorFn { static max(max: number): ValidatorFn {
return (control: AbstractControl): ValidationErrors | null => { return (control: AbstractControl): ValidationErrors | null => {