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Javasrcipt_基礎一.pdf
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darrenyaoyaoyao
October 27, 2020
Programming
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Javasrcipt_基礎一.pdf
darrenyaoyaoyao
October 27, 2020
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Transcript
Javascript 基礎⼀ 控制網⾴的基礎
變數宣告 使⽤ var 宣告變數 var a = 5;
變數型態 數字 int 字串 string 布林值 boolean
= 與 == 的不同 = 是賦予數值 == 才是中⽂理解的等於
舉例 var a = 5; var b = a ==
5; 印出 b 會發現是 true
條件判斷 If ( XXXX ) { … } else if
{ … } else { … }
for 迴圈 for (var i = 0 ; i <
10 ; i++) { … }