method Float16Array.findIndex
          
Float16Array.findIndex(predicate: () => boolean,thisArg?: any,): number 
      Returns the index of the first element in the array where predicate is true, and -1 otherwise.
number
      
    
Float16Array.findIndex(predicate: () => boolean,thisArg?: any,): number 
      Returns the index of the first element in the array where predicate is true, and -1 otherwise.
number