DenAximand

let target = document.querySelector('#search');
let timerId = null;

target.oninput = function () {
	let inputValue = this.value.trim();
	let lastTime = performance.now();

	if (timerId) {
		clearTimeout(timerId);
	}

	timerId = setTimeout(function() {
		if (performance.now() - lastTime > 1500 && inputValue) {
			console.log('Send', inputValue);
		}
	}, 1500);

}