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Create debounce.js

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	`1`	`+/*`
	`2`	`+ invoke handler only if it is an action`
	`3`	+ was not taken in the last `delay` seconds
	`4`	`+ examples: typeahead`
	`5`	`+*/`
	`6`	`+const debounce = (handler, delay) => {`
	`7`	`+ let debounceHandler = null;`
	`8`	`+ return function () {`
	`9`	`+ clearTimeout(timeoutHandler);`
	`10`	`+ debounceHandler = setTimeout(() => {`
	`11`	`+ handler.apply(this, arguments);`
	`12`	`+ }, delay);`
	`13`	`+ };`
	`14`	`+}`

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