Html codes runing but jQuery not working

Hi everybody, I have a problem. that jquery not working in my ionic2 project. I have a lot of js files than over project. I want to that js files add to the ionic2 project.
src/index.html :

script src=“assets/js/jquery.min.js”>
script src=“assets/js/make_sentences.js”>

make_sentences is my private js file. Html codes runing but js codes not working. Can ı add to jquery or spesific js files in my ionic project? Or do I have to write .ts codes? Thanks…