Javascript小技巧：用0填充二进制数字
|
1 2 |
var answer = parseInt(question.answer, 10).toString(2); var answerStr = '0000'.substring(0, 8 - answer.length) + answer; |
Subscribe
|
1 2 |
var answer = parseInt(question.answer, 10).toString(2); var answerStr = '0000'.substring(0, 8 - answer.length) + answer; |