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week16(2021/7/26~2021/8/1) #13
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日期:110年7月27日20:00~22:30
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日期:110年7月28~29日
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日期:110年7月30日~8月1日
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日期:110年7月26日20:30~22:00
進度:[JS201] 進階 JavaScript:那些你一直搞不懂的地方
課程筆記:
一、變數的資料型態
二、如何知道變數的型態?
console.log(typeof 10)
console.log(typeof 'hello')
console.log(typeof undefined)
三、null是object的bug
四、如何更詳細的知道變數的型態?
console.log(Object.prototype.toString.call())
五、另一種常見用法
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