hoistproblems.htm

<a href="javascript:foo()">foo</a>
<script>
function foo() {
	function allDone () {
		return 'sweet, declaration at the beginning.'
	}

	'set a break here';
	'check out the scope variables';

	return allDone();

	'...';

	try {
		var a = 'please not here';
	} catch (e) {
		var b = 'really?'
	} finally {
		var c = ':-P'
	}

	var a = 1, b = 2, c = 3, d = 4;

	function iLikeHoist () {
	}
	iLikeHoist.prototype.fun = function () {
		return (
			'Assignment on a hosted function.' +
			'Pop quiz.  Is it applied?' +
			'You just lost time debugging' +
			'Your welcome'
		);
	}

	function iLoveHoist() {
		return 'not done yet...'
	}

	try {
		var spitefulVar1 = a;
		function spitefulHoist (){
			return 'now wat?' + spitefulVar1;
		}
		function allDone () {
			return spitefulHoist();
		}
	} catch (e) {
		function moreSpite () {
			return 'haha';
		}
		function allDone () {
			return moreSpite();
		}
	} finally {
		function spitefulHoist () {
			return 'i do declare'
		}
		function allDone () {
			return spitefulHoist();
		}
	}

	return 'impossible for code to reach here, right?';

	function spitefulHoist () {
		var a = [
			'an array of strings? well just part of the stack frame' +
			'so, it will just be ref-counted and dealloced' +
			'wrong, arrays need to be alloced in the heap' +
			'will trigger a GC to run'
		];
		a.push('will practically force a GC run now');
		return 'the end';
	}
}

</script>