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                ### js字符數組轉化為數字數組 先談一談需求,我有一個字符串數組,數組內容是字符類型的數字,需要把字符類型的數字轉換為數字類型,找了找資料,發現牛人真是多,把前輩的經驗總結一下。 #### 例子 ``` ['1','2','3'] => [1,2,3] ``` #### 方法 ``` ['1','2','3'].map(Number) // [1,2,3] ['1','2','3'].map((value)=>{ return parseInt(value) }) // [1,2,3] JSON.parse('[' + String(['1', '2', '3']) + ']') // [1,2,3] eval('[' + String(['1', '2', '3']) + ']') // [1,2,3] ```
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