JavaScript Math.SQRT1_2
Math.SQRT1_2屬性返回2的平方根的倒數，此值近似0.7071067811865476。
更多Math物件內容參閱JavaScript Math 物件一章節。
語法結構：
[JavaScript] 純文字檢視 複製程式碼Math.SQRT1_2
例項程式碼:
[JavaScript] 純文字檢視 複製程式碼執行程式碼console.log(Math.SQRT1_2)
上述程式碼可以列印出對應的值。
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