obetame · September 12, 2020 10:15
diff --git a/medium_js_this_keyword_section_5.js b/medium_js_this_keyword_section_5.js
 const age = 2;
 function example(str) {
    eval(str);
    console.log(age);
 }

 example('const age=3;');             //output：2
 example("'use strict'; var age=6;"); //output：2
 example('var age=4;');               // output: 4
	const age = 2;
	function example(str) {
	eval(str);
	console.log(age);
	}

	example('const age=3;'); //output：2
	example("'use strict'; var age=6;"); //output：2
	example('var age=4;'); // output: 4