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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                [TOC] >[success] # Symbol屬性檢索 <br/> >[success] ## Object.getOwnPropertySymbols() ~~~ 'Object.getOwnPropertySymbols()'方法會返回一個'對象'里所有的'Symbol'屬性(不包括可遍歷屬性)的'數組' ~~~ ~~~ let a = Symbol.for("a"); // 創建全局私有屬性 let b = Symbol("b"); // 創建局部私有屬性 let object = { [a]: "12345", // 給對象賦值全局私有屬性 [b]: "678910" // 給對象賦值局部私有屬性 }; let symbolsArr = Object.getOwnPropertySymbols(object); // 返回對象中所有私有屬性數組 console.log(symbolsArr.length); // 2 console.log(symbolsArr[0]); // "Symbol(a)" console.log(symbolsArr[1]); // "Symbol(b)" console.log(object[symbolsArr[0]]); // "12345" console.log(object[symbolsArr[1]]); // "678910" ~~~
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                              哎呀哎呀视频在线观看