関連ワード:  get first element of array typescript    get first item of array typescript    get first value of array typescript    get first n elements of array typescript    get first 3 elements of array typescript    get first 5 elements of array typescript    typescript get first element of array if exists    typescript get first element of array that matches condition    typescript get first element of array or undefined    typescript get first element of array or null  
結果 : get first element of array typescript