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[js进制转换]
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| // toString(radix) | |
| // 任意数值转为指定进制 | |
| 0x6600.toString(2) // "110011000000000" | |
| // parseInt(value, radix) | |
| // 将value作为指定进制radix来解析，得到10进制结果 | |
| parseInt("110011000000000",2) // 26112 | |
| // 任意进制相互转换 | |
| // 先转10进制，再换成目标进制 | |
| parseInt('ff',16).toString(2) // "11111111" |
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