JavaScript toLowerCase()
此方法的功能與toUpperCase方法相反,會將字串中的大寫字元轉換為小寫。
更多內容可以參閱JavaScript String 字串一章節。
語法結構:
[JavaScript] 純文字檢視 複製程式碼str.toLowerCase()
特別說明:此方法不會修改原字串,而是操作字串的一個副本。
程式碼例項:
[JavaScript] 純文字檢視 複製程式碼執行程式碼let str="ANtzone"; console.log(str.toLowerCase());
程式碼執行效果截圖如下:
可以看出字串中的大寫字元都已經轉變為小寫。
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