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