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JavaScript Form - beforeHide Event

fires before a Form control or its element is hidden

beforeHide: (name: string | number, value?: any, id?: string) => boolean | void;

• name | id: string | number - the name (or id, if the name is not specified) of the Form control
• value?: any - the current value of the control
• id?: string - optional, the id of the element of the control of Form (for RadioGroup, CheckboxGroup)

Return false to prevent a control or its element from being hidden; otherwise, true.

Example

form.events.on("beforeHide", function(name, value) {
    console.log("beforeHide", name, value); 
    return false;
});

• The id parameter was added in v8.0
• Before v7.0, the event took one parameter - the control id.
• Starting from v7.0, the event takes two parameters: name|id and value.
• The event was added in v6.5

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