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JavaScript 中小数点前缺 0（如 `.5`）是否合法？有何潜在风险？
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Wednesday, March 18 6:30 a.m. | Live coverage of U.S. spacewalk 94 at the International Space Station. Stream on NASA+, Amazon Prime, YouTube Thursday, March 19 5:30 p.m. | NASA will hold a media teleconference on plans for the X-59 quiet supersonic aircraft’s upcoming flight tests. Stream on YouTube While NASA programming is free, obtaining it through third-party streaming services may require equipment purchases or subscription fees. These links are provided for your information and do not constitute NASA’s endorsement of any goods or services.
