Defined in node_modules/typescript/lib/lib.dom.d.ts:22702 Defined in node_modules/typescript/lib/lib.dom.d.ts:22727 Properties Readonly
bad Input bad Input : boolean
Defined in node_modules/typescript/lib/lib.dom.d.ts:22704 Readonly
custom Error custom Error : boolean
Defined in node_modules/typescript/lib/lib.dom.d.ts:22706 Readonly
pattern Mismatch pattern Mismatch : boolean
Defined in node_modules/typescript/lib/lib.dom.d.ts:22708 Readonly
range Overflow range Overflow : boolean
Defined in node_modules/typescript/lib/lib.dom.d.ts:22710 Readonly
range Underflow range Underflow : boolean
Defined in node_modules/typescript/lib/lib.dom.d.ts:22712 Readonly
step Mismatch step Mismatch : boolean
Defined in node_modules/typescript/lib/lib.dom.d.ts:22714 Readonly
too Long too Long : boolean
Defined in node_modules/typescript/lib/lib.dom.d.ts:22716 Readonly
too Short too Short : boolean
Defined in node_modules/typescript/lib/lib.dom.d.ts:22718 Readonly
type Mismatch type Mismatch : boolean
Defined in node_modules/typescript/lib/lib.dom.d.ts:22720 Readonly
valid valid : boolean
Defined in node_modules/typescript/lib/lib.dom.d.ts:22722 Readonly
value Missing value Missing : boolean
Defined in node_modules/typescript/lib/lib.dom.d.ts:22724
The validity states that an element can be in, with respect to constraint validation. Together, they help explain why an element's value fails to validate, if it's not valid.
MDN Reference