front end dev

knowing this js topics enough for front end dev ? 1.Data types 2.Variable 3.Loops 4.Conditional Statements 5.Objects + Methods 6.Array+ Methods 7.Operators (ALL) 8.Alert,Prompt .. 9.Functions 10.Events 11.DOM + All methods 12.B0M 13.Strng methods, number methods, math methods , map methods...