How to use custom javascript library?

Ionic Framework ionic-v3
1

Hi ! Help Please, how correctly add javascript file in ionicframework 2 ?

2

Import it in your www/index.html file

3

LoLStats,thanks. Where should i place in folders my js script file ?

4

place js, img and other data in your www folder.
So .js data should be in a ww/js folder.

5

LoLStats, Thank a lot.