题解 | #二进制转换#
二进制转换
http://www.nowcoder.com/practice/7b74386695cc48349af37196f45e62a8
function convertToBinary(num) {
var result = num.toString(2);
var i = 8- result.length;
let str0 = ''
for(;i>0;i--){
str0 += '0'
}
return str0 + result;
}