优化代码

app/design/frontend/Joshine/breeze/Magento_Theme/templates/html/footer.phtml

@@ -7,42 +7,11 @@
 ?>
 <?php echo $block->getLayout()->createBlock('Magento\Cms\Block\Block')->setBlockId('public_footer')->toHtml();?>
 <script>
-    const imgs = document.getElementsByTagName("img");
-    const viewHeight =
-        window.innerHeight || document.documentElement.clientHeight;
-    let num = 0;
-
-    function lazyload() {
-        for (let i = num; i < imgs.length; i++) {
-            let distance = viewHeight - imgs[i].getBoundingClientRect().top;
-            if (distance >= 0) {
-                imgs[i].src = imgs[i].getAttribute("data-src");
-                num = i + 1;
-            }
-        }
-    }
-
-    function debounce(fn, delay = 500) {
-        let timer = null;
-        return function (...args) {
-            if (timer) clearTimeout(timer);
-            timer = setTimeout(() => {
-                fn.call(this, args);
-            }, delay);
-        };
-    }
-
-    window.onload = lazyload;
-    window.addEventListener("scroll", debounce(lazyload, 600), false);
-
-
     require([
         'jquery'
     ], function ($) {
         //footer
         $("h4").click(function () {
-
-            console.log(22222222222222222222222222)
             function browserRedirect() {
                 var sUserAgent = navigator.userAgent.toLowerCase();
                 var bIsIpad = sUserAgent.match(/ipad/i) == "ipad";
@@ -55,14 +24,11 @@
                 var bIsWM = sUserAgent.match(/windows mobile/i) == "windows mobile";
                 // document.writeln("您的浏览设备为：");
                 if (bIsIpad || bIsIphoneOs || bIsMidp || bIsUc7 || bIsUc || bIsAndroid || bIsCE || bIsWM) {
-                    // alert("手机浏览！");
                     return 1;
                 } else {
-                    // alert("PC浏览！");
                     return 2;
                 }
             }
-            // browserRedirect();
 
             if(browserRedirect() == 1){
                 var dis = $(this).siblings("ul").css("display");
@@ -78,8 +44,6 @@
                 $(this).siblings("ul").css("display","block");
                 $(this).children("span").html('^')
             }
-
-
         });
         $(".page-header .actions.search-dropdown").click(function () {
             $("#search_mini_form_input").toggle();