16 lines
		
	
	
		
			469 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			16 lines
		
	
	
		
			469 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
"use strict";
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module.exports = function () {
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	var arr = [1, "foo"], iterator, result;
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	if (typeof arr.entries !== "function") return false;
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	iterator = arr.entries();
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	if (!iterator) return false;
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	if (typeof iterator.next !== "function") return false;
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	result = iterator.next();
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	if (!result || !result.value) return false;
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	if (result.value[0] !== 0) return false;
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	if (result.value[1] !== 1) return false;
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	if (result.done !== false) return false;
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	return true;
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};
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