| SpreadJS Documentation > Developer's Guide > Managing Data > Using SpreadJS with AngularJS > Using the Validator Element |
The validator elements are numberValidator, dateValidator, textLengthValidator, formulaValidator, formulaListValidator, and listValidator.
The numberValidator element has no child elements. The following table lists the attributes of the numberValidator element.
| Attribute | API Reference | Type |
| comparisonOperator | DefaultDataValidator.createNumberValidator(comparisonOperator, value, value2, isIntegerValue) | GcSpread.Sheets.ComparisonOperator |
| isIntegerValue | DefaultDataValidator.createNumberValidator(comparisonOperator, value, value2, isIntegerValue) | Boolean |
| value1 | DefaultDataValidator.createNumberValidator(comparisonOperator, value, value2, isIntegerValue) | string |
| value2 | DefaultDataValidator.createNumberValidator(comparisonOperator, value, value2, isIntegerValue) | string |
The dateValidator element has no child elements. The following table lists the attributes of the dateValidator element.
| Attribute | API Reference | Type |
| comparisonOperator | DefaultDataValidator.createDateValidator(comparisonOperator, value, value2) | GcSpread.Sheets.ComparisonOperator |
| value1 | DefaultDataValidator.createDateValidator(comparisonOperator, value, value2) | string |
| value2 | DefaultDataValidator.createDateValidator(comparisonOperator, value, value2) | string |
The textLengthValidator element has no child elements. The following table lists the attributes of the textLengthValidator element.
| Attribute | API Reference | Type |
| comparisonOperator | DefaultDataValidator.createTextLengthValidator(comparisonOperator, value, value2) | GcSpread.Sheets.ComparisonOperator |
| value1 | DefaultDataValidator.createTextLengthValidator(comparisonOperator, value, value2) | string |
| value2 | DefaultDataValidator.createTextLengthValidator(comparisonOperator, value, value2) | string |
The formulaValidator element has no child elements. The following table lists the attributes of the formulaValidator element.
| Attribute | API Reference | Type |
| formula | DefaultDataValidator.createFormulaValidator(formula) | string |
The formulaListValidator element has no child elements. The following table lists the attributes of the formulaListValidator element.
| Attribute | API Reference | Type |
| formulalist | DefaultDataValidator.createFormulaListValidator(formulalist) | string |
The listValidator element has no child elements. The following table lists the attributes of the listValidator element.
| Attribute | API Reference | Type |
| list | DefaultDataValidator.createListValidator(list) | string |