gppa_should_trigger_change (JS)
Description
Override when fields and Live Merge Tag values are refreshed when dependent inputs change.
A common use of this filter is to require a certain number of characters in inputs before triggering an update.
Usage
gform.addFilter( 'gppa_should_trigger_change', 'my_custom_function' );Parameters
triggerChange boolean
Whether or not to trigger update of fields and Live Merge Tags. Default:
trueformId string
The current form ID.
inputId string
The ID of the input that had a change event triggered.
$el JQuery
Input element that had change event.
event JQueryEventObject
Original event on input.
Examples
Require input to have at least 4 characters before triggering a change.
/**
* Gravity Perks // Populate Anything // Require a Minimum Character Count Before Triggering a Change
* https://gravitywiz.comhttps://gravitywiz.com/documentation/gravity-forms-populate-anything/
*
* 1. Install this snippet with our free Custom JavaScript plugin.
* https://gravitywiz.com/gravity-forms-code-chest/
*/
window.gform.addFilter('gppa_should_trigger_change', function( triggerChange, formId, inputId, $el, event ) {
// Update "1" to the field ID.
if ( inputId == 1 ) {
// Require length for input 1 to be at least 4.
if ( event.currentTarget.value.length < 4 ) {
return false;
}
}
return triggerChange;
} );Since
This JavaScript filter is available since Gravity Forms Populate Anything 1.0-beta-5.20.