Event

Wiki ▸ API Reference ▸ Event

Utilities for handling event delegation, normalization between touch and mouse/trackpad events, custom events, and tying events to blocks.

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# Event.on(elem, eventname, selector, handler[, onceOnly])

Attaches an event handler function for one or more events to the selected elements.

• elem: The elements that will have the event attached.
• eventname: A string representing the event type to listen for.
• handler: A function to execute when the event is triggered.
• onceOnly: true if the event is only handled once; false otherwise.

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# Event.off(elem, eventname, handler)

Removes an event handler.

• elem: The elements that will have the event removed.
• eventname: A string representing the event type being removed.
• handler: The handler to be removed.

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# Event.once(elem, eventname, selector, handler)

Registers an event handler on the event target and removes it immediately after the event is fired.

• elem: The elements that will have the event attached.
• eventname: A string representing the event type to listen for once.
• selector:
• handler:

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# Event.trigger(elemOrSelector, eventname, data)

Executes all handlers and behaviors attached to the matched elements for the given event type.

• elemOrSelector: The elements that will have the event triggered.
• eventname: A string representing the event type to be triggered.
• data: