Answers for "js how to to attach an event handler only once"

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js how to to attach an event handler only once

document.getElementById("myelement").addEventListener("click", handler);

// handler function
function handler(e) {
	// remove this handler
	e.target.removeEventListener(e.type, arguments.callee);

	alert("You'll only see this once!");
}

Posted by: Guest on July-18-2020

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