-7-14

<title>冯金龙-7.14</title> <style> * { margin: 0px; padding: 0px; }

    .box {
        width: 300px;
        height: 200px;
        border: 1px solid darkcyan;
    }

    .title {
        width: 100%;
        height: 30px;
        background-color: #ccc;
    }

    .title a {
        float: left;
        width: 25%;
        line-height: 30px;
        text-align: center;
        text-decoration: none;
    }

    .con {
        width: 100%;
        height: 170px;
    }

    .con-list {
        width: 100%;
        height: 100%;
        display: none;
    }

    .container {
        width: 484px;
        height: 301px;
        position: relative;
    }

    .container-con {
        width: 462px;
        height: 282px;
        margin: 10px;
        box-shadow: 0 2px 8px 0 rgba(0, 0, 0, .09);
    }

    .con-list3 {
        width: 100%;
        height: 57px;
        background: #f1f1f1;
    }

    .con-list1 {
        float: left;
        color: #000;
        height: 57px;
        width: 50%;
        font-size: 18px;
        cursor: pointer;
        line-height: 57px;
        text-align: center;

    }

    .con-foot-a {
        height: 225px;
        width: 462px;
        display: none;
    }

    .con-foot-b {
        height: 225px;
        width: 462px;
        display: block;

    }

    .con-foot-c {
        position: absolute;
        top: 143px;
        height: 87px;
        width: 291px;
        background-repeat: no-repeat;
        background-position: 0 center;
        background-color: rgba(0, 0, 0, 0);
        background-image: url(https://img.alicdn.com/tfs/TB1AnTXewMPMeJjy1XcXXXpppXa-290-87.png);
        z-index: 99;
    }

    .con-foot-c-1 {
        margin-left: 26px;
        margin-top: 15px;
        vertical-align: middle !important;
    }

    .con-con1 {
        width: 23px;
        height: 23px;

    }

    .con-span {
        margin-left: 8px;
        font-size: 24px;
        font-weight: 700;
        letter-spacing: 1px;
        color: #00B262;
    }

    .con-span2 {
        margin-left: 26px;
        font-size: 20px;
        letter-spacing: 1px;
        color: black;
    }

    .item {
        float: right;
        margin-top: 10px;
        margin-right: 30px;
        width: 200px;
        height: 200px;
    }
</style>

选项一 选项二 选项三 选项四

111111

122211

113311

114411

今日疯抢

量贩装

欢乐零食购

爆款直降

爆款直降

粮油调味

<script> var links = document.querySelectorAll(".title a"); var lists = document.querySelectorAll(".con-list"); console.log(links); console.log(lists); for (let i = 0; i < links.length; i++) { // links[i].index = i; //1 . 对象存储属性值 // console.log(links[i].index); // links[i].onlick = function () { // console.log(this.index); // } //2.闭包 函数就是让局部变量存储在内存当中 // (function（i） {var // links[i].onlick = function () { // alert(i); // } // })(i); //3. //let console.log(links[i]);

        links[i].onclick = function () {
            for (let j = 0; j < lists.length; j++) {
                console.log(j);
                lists[j].style.display = "none";
                links[j].style.background = "#ccc";
            }
            lists[i].style.display = "block";
            console.log(i);
            links[i].style.background = "red";
        }
    }
    var tmall1 = document.querySelectorAll(".con-list1");
    var tmall2 = document.querySelectorAll(".con-foot-a");
    console.log(tmall1);
    console.log(tmall2);
    for (let i = 0; i < tmall1.length; i++) {
        tmall1[i].onclick = function () {
            for (let j = 0; j < tmall2.length; j++) {
                tmall2[j].style.display = "none";
                tmall1[j].style.background = "#f1f1f1"
                tmall1[j].style.color = "black";
            }
            tmall2[i].style.display = "block";
            tmall1[i].style.background = "#00B262";
            tmall1[i].style.color = "#fff";
        }
    }
    var flag = true;
    setInterval(function () {
        if (flag) {
            tmall2[0].style.display = "block";
            tmall1[0].style.background = "#00B262";
            tmall1[0].style.color = "#fff";
            tmall2[1].style.display = "none";
            tmall1[1].style.background = "#f1f1f1"
            tmall1[1].style.color = "black";
            flag = false;
        } else {
            tmall2[1].style.display = "block";
            tmall1[1].style.background = "#00B262";
            tmall1[1].style.color = "#fff";
            tmall2[0].style.display = "none";
            tmall1[0].style.background = "#f1f1f1"
            tmall1[0].style.color = "black";
            flag = true;
        }
    }, 1500);
</script>