関連ワード:  typescript find first element in array    typescript get first element in array    typescript find first matching element in array    typescript get first element of array if exists    typescript get first element of array that matches condition    typescript select first element from array    typescript get first element of array or undefined    typescript get first element of array with condition    typescript get first element of array or null    typescript get first element of array if not empty  
結果 : typescript find first element in array