.toLowerCase in javascript "not a function"? -

.toLowerCase in javascript "not a function"? -

i'm trying this

if (patharray.tolowercase().indexof("blah") != -1{}

when debugging console error "patharray.tolowercase not function". why message?

tolowercase method of string. if want able find string in array without knowing exact case can add together map step chain:

patharray.map(function(s) { homecoming s.tolowercase(); }).indexof('blah') !== -1

javascript