eval();
let info = '{name:"Harry Potter" , id:2011 , class:1 , math:79 , chinese:89 , english:65.5 , progromming:99 , avg:0 , sum:0 }'
function input() {
// info = '{' + info +'}';
console.log(typeof(info));
console.log(typeof(eval("("+info+")")));
}
Array(15).join('1') + 'hello'