ช่วยดู code ให้หน่อยครับ ทำ slide แล้วภาพไม่ขึ้น

กระทู้คำถาม

<html>
</head>
<body>

<div class="slideshow-container">

<div class="mySlides fade">
<div class="numbertext">1 / 3</div>
<img src="img_view1.jpg" style="width:100%">
<div class="text">Caption Text</div>
</div>

<div class="mySlides fade">
<div class="numbertext">2 / 3</div>
<img src="img_view2.jpg" style="width:100%">
<div class="text">Caption Two</div>
</div>

<div class="mySlides fade">
<div class="numbertext">3 / 3</div>
<img src="img_view3.jpg" style="width:100%">
<div class="text">Caption Three</div>
</div>

<a class="prev" onclick="plusSlides(-1)">❮</a>
<a class="next" onclick="plusSlides(1)">❯</a>

</div>
<br>

<div style="text-align:center">
<span class="dot" onclick="currentSlide(1)"></span>
<span class="dot" onclick="currentSlide(2)"></span>
<span class="dot" onclick="currentSlide(3)"></span>
</div>

<script>
var slideIndex = 1;
showSlides(slideIndex);

function plusSlides(n) {
showSlides(slideIndex += n);
}

function currentSlide(n) {
showSlides(slideIndex = n);
}

function showSlides(n) {
var i;
var slides = document.getElementsByClassName("mySlides");
var dots = document.getElementsByClassName("dot");
if (n > slides.length) {slideIndex = 1}
if (n < 1) {slideIndex = slides.length}
for (i = 0; i < slides.length; i++) {
slides.style.display = "none";
}
for (i = 0; i < dots.length; i++) {
dots.className = dots.className.replace(" active", "");
}
slides[slideIndex-1].style.display = "block";
dots[slideIndex-1].className += " active";
}
</script>

</body>
</html>