Solution 1 answers your question quite nicely, but this may help you in your goal of creating an image slider.
From your comments, you mention you want to make a javascript image slider of some sorts.
Firstly google is your friend so use it wisely.
Performing search using key terms:
javascript image slider [tutorial]
javascript non-jQuery:
https://coderwall.com/p/vsdrug/how-to-create-an-image-slider-with-javascript[
^]
Or search the CodeProject articles section
JQuery Image Slider Tutorial for Beginners:
JQuery Image Slider Tutorial for Beginners [
^]
Here are some additional links which may also help clarify
What is the difference between JavaScript and jQuery? [
^]
jQuery .ready() [
^]
jQuery css [
^]
Or pre-build solutions/plugins which may help:
http://www.learningjquery.com/2015/02/best-jquery-image-slider-plugins[
^]
http://www.menucool.com/javascript-image-slider[
^]