>Call and apply are core concepts to writing good javascript.
But the biggest issue is the disagreement with the body of knowledge that everyone should have. Even in the body of knowledge, there's disagreements about what bits of knowledge go to which categories (Is it nice-to-know, or need-to-know?)
It's really no wonder you see such a broad range of candidate skills and knowledge. The sub-fields of the programming field can't even decide what everyone ought to know at various levels of experience!
But the biggest issue is the disagreement with the body of knowledge that everyone should have. Even in the body of knowledge, there's disagreements about what bits of knowledge go to which categories (Is it nice-to-know, or need-to-know?)
It's really no wonder you see such a broad range of candidate skills and knowledge. The sub-fields of the programming field can't even decide what everyone ought to know at various levels of experience!