dom-delegator/remove-event.js

Decorate elements with delegated events

var EvStore = require("ev-store")

module.exports = removeEvent

function removeEvent(target, type, handler) {
    var events = EvStore(target)
    var event = events[type]

    if (!event) {
        return
    } else if (Array.isArray(event)) {
        var index = event.indexOf(handler)
        if (index !== -1) {
            event.splice(index, 1)
        }
    } else if (event === handler) {
        events[type] = null
    }
}