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checkEvent

Description​

Checks whether an event has some handler(s) specified

checkEvent: (name: string) => boolean

Parameters​

  • name - (required) string - the event's name

Returns​

  • isExist - (boolean) - returns true, if some handler is specified for the event

Example​

gantt.attachEvent("onTaskClick", function(id, e) {
    alert("You've just clicked an item with id="+id);
});
       
gantt.checkEvent("onTaskClick"); //returns 'true'
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