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JavaScript的变量提示问题？ #5

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Peter-Success opened this issue Jun 2, 2018 · 0 comments

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Peter-Success commented Jun 2, 2018 •

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                console.log(fn);//undefined
		var fn = () => {};
		var fn;
		console.log(fn);//() => {}
		var fn = 2;
		console.log(fn);//2
		
		var a = 3;
		var	b = 4;
			test = () => {
				console.log(a);//undefined
				console.log(b);//4
				var a = 1;
			};
		test();

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