How to add multiple classes, one with incrementing numbers, on a dynamic element?

1
votes

i've been trying to create some slides using swipe slider with custom classes.

<!-- Swiper -->
<div class="swiper-container">
    <div class="swiper-wrapper">
        <div class="swiper-slide">Slide 1</div>
        <div class="swiper-slide">Slide 2</div>
        <div class="swiper-slide">Slide 3</div>
        <div class="swiper-slide">Slide 4</div>
        <div class="swiper-slide">Slide 5</div>
        <div class="swiper-slide">Slide 6</div>
        <div class="swiper-slide">Slide 7</div>
        <div class="swiper-slide">Slide 8</div>
        <div class="swiper-slide">Slide 9</div>
        <div class="swiper-slide">Slide 10</div>
    </div>
    <!-- Add Pagination -->
    <div class="swiper-pagination"></div>
</div>
<!-- Swiper JS -->
<script src="../dist/js/swiper.min.js"></script>
<!-- Initialize Swiper -->
<script>
var swiper = new Swiper('.swiper-container', {
    pagination: '.swiper-pagination',
    paginationClickable: true,
    paginationBulletRender: function (swiper, index, className) {
        return '<span class="' + className + '">' + (index + 1) + '</span>';
    }
});
</script>

The swipe pagination is dynamically created and generates into 

<span class="swiper-pagination-bullet">1</span>
<span class="swiper-pagination-bullet">2</span>
<span class="swiper-pagination-bullet">3</span>
<span class="swiper-pagination-bullet">4</span>
<span class="swiper-pagination-bullet">5</span>
<span class="swiper-pagination-bullet">6</span>

I want to have the div class swiper pagination into 

<span class="swiper-pagination-bullet color-0">1</span>
<span class="swiper-pagination-bullet color-1">2</span>
<span class="swiper-pagination-bullet color-2">3</span>

How do I add an additional custom class of color-0, color-1, color-2? Thank you so much.

1
javascriptjquerywordpresssliderswiper

1 Answers

1
votes
return '<span class="'+ className +' color-'+index+'" >'+(index+1)+'</span>';