call和apply的區(qū)別在于第二個(gè)參數(shù)call是傳按順序傳參,而apply是傳一個(gè)數(shù)組參數(shù)
var fn = (x,y)=>{
return x>y?x:y;
}
fn(1,2) //直接調(diào)用
fn.call(null,1,2) //call調(diào)用
fn.apply(null,[1,2]) //apply調(diào)用,后面的必須是數(shù)組
call和apply的區(qū)別在于第二個(gè)參數(shù)call是傳按順序傳參,而apply是傳一個(gè)數(shù)組參數(shù)
var fn = (x,y)=>{
return x>y?x:y;
}
fn(1,2) //直接調(diào)用
fn.call(null,1,2) //call調(diào)用
fn.apply(null,[1,2]) //apply調(diào)用,后面的必須是數(shù)組