lessThan validator
Check if the value is less than or equals to given number
Options
Use with form field
* presents a required option. The HTML attributes are used to set the validator options via the Declarative plugin
| Name | HTML attribute | Type | Description |
|---|---|---|---|
inclusive |
data-fv-less-than___inclusive |
Boolean |
Can be true (default) or false.If true, the input value must be less than or equal to the comparison one.If false, the input value must be less than the comparison one.
|
max* |
data-fv-less-than___max |
Float | The number to make a comparison to |
message |
data-fv-less-than___message |
String | The error message |
Use with JavaScript module
// You might need to change the importing path
import lessThan from 'formvalidation/validators/lessThan';
const result = lessThan().validate({
value: ...,
options: {
inclusive: ...,
max: ...,
message: ...,
},
});
/*
result is an object of
{
valid: true or false,
message: The error message
}
*/
Module Example
The following snippet shows how to use the lessThan validator with JavaScript module:
// You might need to change the importing path
import lessThan from 'formvalidation/validators/lessThan';
const res1 = lessThan().validate({
value: 20,
options: {
max: 30,
message: 'The value has to be less than 30',
},
});
// res1.valid === true
const res2 = lessThan().validate({
value: 30,
options: {
inclusive: false,
max: 30,
message: 'The value has to be less than 30',
},
});
// res2.valid === false
Related validators
The following validators are similar to this one and might be useful to you.
| Name | Description |
|---|---|
| between | Check if the input value is between (strictly or not) two given numbers |
| greaterThan | Check if the value is greater than or equals to given number |