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1.JavaScript規(guī)定了幾種語言類型https://blog.csdn.net/zhenghaohan1999/article/details/866971622.Ja...
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const numbers = [1, 2, 3, 4, 5]const copy = numbers.slice()copy.push(6) // 添加新項以證明不會修改原...
``` <!DOCTYPE html> Document body{ font: normal 14px "Microsoft YaHei"...
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