If using Matrix, the container for sliders will have same class. This snippet will allow for all the classes to be able to inherit the slider rules.
<div id="image-grid">
<ul class="slider-container">
{% assign items = List.Items %}
{% for Item in items %}
<li class="slider">
<div class="image"><img src="{{ Item.FieldValues.Image1 }}" alt=""></div>
{% if Item.FieldValues.Image2 %}
<div class="image"><img src="{{ Item.FieldValues.Image2 }}" alt=""></div>
{% endif -%}
{% if Item.FieldValues.Image3 %}
<div class="image"><img src="{{ Item.FieldValues.Image3 }}" alt=""></div>
{% endif -%}
{% if Item.FieldValues.Image4 %}
<div class="image"><img src="{{ Item.FieldValues.Image4 }}" alt=""></div>
{% endif -%}
</li>
{% endfor %}
</ul>
</div>
<script src="https://cdnjs.cloudflare.com/ajax/libs/tiny-slider/2.9.1/min/tiny-slider.js"></script>
<script>
var forEach = function (array, callback, scope) {
for (var i = 0; i < array.length; i++) {
callback.call(scope, i, array[i]); // passes back stuff we need
}
};
var sliders = document.querySelectorAll('.slider');
forEach(sliders, function (index, value) {
var slider = tns({
container: value,
items: 1,
slideBy: 'page',
autoplay: true,
controls: false,
nav: false,
autoplayHoverPause: true,
autoplayButtonOutput: false
});
});
</script>