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先上效果


下面附上代码 使用方式很简单只需要 在页面引入这段js 即可

$(()=> { let param = {tag: true,num: 1,ele: document.createElement("div"),icon: "",homeIcon: "",moreIcon: "",personalIcon: "",closeIcon: "",distance: "500",css: "position:fixed;" +"bottom:4rem;" +"box-shadow:10px 10px 10px gray;" +"right:10px;" +"display:none;" +"font-size:1.5rem;" +"color:#fff;" +"z-index:1000;" +"height:2.5rem;" +"width:2.5rem;" +"background:#f44336;" +"border-radius:50%;" +"line-height:2.5rem;" +"text-align:center",menuCss: "position:absolute;" +// "bottom:3rem;" +"display:none;" +"box-shadow:10px 10px 10px gray;" +"font-size:1.2rem;" +"color:#fff;" +"background:orange;" +"height:2rem;" +"width:2rem;" +"border-radius:50%;" +"text-align:center;" +"line-height:2rem;"// type: "#top" }; {document.querySelector("body").appendChild(((ele)=> { ele.className = "scroll iconfont"; ele.innerHTML = param.moreIcon; // ele.href = param.type; ele.style.cssText = param.css; for (let i = 0; i < 3; i++) {let menu_personal = document.createElement("a");menu_personal.className = "iconfont";menu_personal.style.cssText = param.menuCss;switch (i) { case 0:setStyle(menu_personal, "#2196f3", "2.4rem", "2.4rem", param.homeIcon, "home");break; case 1:setStyle(menu_personal, "#4caf50", 0, "3.5rem", param.personalIcon, "personal");break; case 2:setStyle(menu_personal, "#fdd835", "3.5rem", "0", param.icon, "top");break;}param.ele.appendChild(menu_personal); } return ele;})(param.ele));function setStyle(ele, ...args) { ele.style.background = args[0]; ele.style.bottom = args[1]; ele.style.right = args[2]; ele.innerHTML = args[3]; ele.id = args[4];} } {$(window).scroll(()=> { var scrollValue = $(window).scrollTop(); if (scrollValue > param.distance) {if (param.tag) { $(param.ele).css("display", "block").animateCss("fadeInRight"); param.tag = !param.tag;} } else {if (!param.tag) { $(param.ele).css("display", "none"); $(param.ele).children().css("display", "none"); param.num++; param.tag = !param.tag;} }});$(param.ele).click((e)=> { window.e = e; switch (e.target.id) {case "home": if (!getTypeNative()) {window.location.href = getAbsolutePath() + "/fenqihui/pages/recommended/recommended_index.html"; } else if (getTypeNative() === "ios") {backHome(); } else if (getTypeNative() === "android") {android.backHome(); } break;case "personal": if (!getTypeNative()) {window.location.href = getAbsolutePath() + "/fenqihui/pages/account/user_personal.html"; } else if (getTypeNative() === "ios") {//todo://前往个人中心backAccount(); } else if (getTypeNative() === "android") {android.backAccount(); } break;case "top": $(window).scrollTop(0); break; } param.num % 2 == 0 && $(param.ele).children().css("display", "none") || $(param.ele).children().css("display", "block").animateCss("swing"); param.num++;}) }});
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