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onBlur( )
Adds an event handler that runs when the element loses focus.
Description
An element loses focus (blurs) through user actions,
such as clicking and tabbing, or programmatically, using the
blur()
function.
You can also define an event handler using the Properties and Events panel.
Note:
onBlur()
has no effect when applied to RadioButtonGroup elements.
Syntax
function onBlur(handler: EventHandler): Elementhandler: function EventHandler(event: Event): void
onBlur Parameters
NAME
TYPE
DESCRIPTION
handler
The name of the function or the function expression to run when the element loses focus.
EventHandler Parameters
NAME
TYPE
DESCRIPTION
Returns
This function does not return anything.
Return Type:
void
Mixed in from:$w.FocusMixin
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Get the ID of the element that has lost focus
Copy Code
1$w("#myElement").onBlur( (event) => {2 let targetId = event.target.id; // "myElement"3});