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                ??碼云GVP開源項目 12k star Uniapp+ElementUI 功能強大 支持多語言、二開方便! 廣告
                松散比較:使用兩個等號 == 比較,只比較值,不比較類型。 嚴格比較:用三個等號 === 比較,除了比較值,也比較類型。 == 在進行比較的時候,會先將字符串類型轉化成相同,再比較 ``` 0 == false: bool(true) 0 === false: bool(false) 0 == null: bool(true) 0 === null: bool(false) false == null: bool(true) false === null: bool(false) "0" == false: bool(true) "0" === false: bool(false) "0" == null: bool(false) "0" === null: bool(false) "" == false: bool(true) "" === false: bool(false) "" == null: bool(true) "" === null: bool(false) ``` ![](https://img.kancloud.cn/b6/d9/b6d94a6a0dd745a155792669b850b2aa_1039x1666.png)
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