摘要:
1 function 补全前置0(num, length) { 2 return (Array(length).join('0') + num).slice(-length); 3 } 运行截图 阅读全文
摘要:
1 function printObj(obj){ 2 let str = ""; 3 for(let i in obj){ 4 let property=obj[i]; 5 str+=i+" = "+property+"\n"; 6 } 7 return str; 8 } 阅读全文