image-preloading.html

<!-- Preloading images -->
<script>
    var images = [];

    function preload() {
        for (var i = 0; i < arguments.length; i++) {
            images[i] = new Image();
            images[i].src = preload.arguments[i];
        }
    }

    preload(
        "{{ASSETS_DIR}}/img/icons/bubble.svg",
        "{{ASSETS_DIR}}/img/rooferform.png"
    )
</script>