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| exports.splitMultiply = splitMultiply; | |
| exports.persistence = persistence; | |
| /** | |
| * 返回整数的乘法持久性. | |
| For example: | |
| because 3*9 = 27, 2*7 = 14, 1*4=4,and 4 has only one digit | |
| persistence(39) === 3; | |
| because 9*9*9 = 729, 7*2*9 = 126, 1*2*6 = 12, and finally 1*2 = 2 | |
| persistence(999) === 4; |
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| exports.parseKey = parseKey; | |
| exports.parse = parse; | |
| /** | |
| * 采用字符串模式读取对象键值. | |
| 例如: | |
| let object = { | |
| b: { c: 4 }, d: [{ e: 5 }, { e: 6 }], | |
| }; |
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title>Title</title> | |
| <style type="text/css"> | |
| .triangle { | |
| width: 0; | |
| height: 0; | |
| border-width: 10px 12px; |
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