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50 lines
1.2 KiB
JavaScript
50 lines
1.2 KiB
JavaScript
5 years ago
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function rafAsync() {
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return new Promise(resolve => {
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requestAnimationFrame(resolve); //faster than set time out
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});
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}
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function checkElement(selector) {
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if (document.querySelector(selector) === null) {
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return rafAsync().then(() => checkElement(selector));
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} else {
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return Promise.resolve(true);
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}
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}
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var slideIndex = 1;
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// Next/previous controls
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function plusSlides(n) {
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showSlides(slideIndex += n);
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}
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// Thumbnail image controls
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function currentSlide(n) {
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showSlides(slideIndex = n);
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}
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function showSlides(n) {
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var i;
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var slides = document.getElementsByClassName("mySlides");
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var dots = document.getElementsByClassName("dot");
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if (n > slides.length) {slideIndex = 1}
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if (n < 1) {slideIndex = slides.length}
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for (i = 0; i < slides.length; i++) {
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slides[i].style.display = "none";
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}
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for (i = 0; i < dots.length; i++) {
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dots[i].className = dots[i].className.replace(" carousel-active", "");
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}
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slides[slideIndex-1].style.display = "block";
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dots[slideIndex-1].className += " carousel-active";
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}
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checkElement('.mySlides') //use whichever selector you want
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.then((element) => {
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console.log("sldaldsaldsa");
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showSlides(slideIndex);
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});
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