scrollIntoView使用与属性详解

scrollIntoView 使用与属性详解

效果图如下图所示

如果要想让元素滚动到指定位置

window.onload = function () {
  containerItems[6].scrollIntoView({ behavior: "smooth" });
};
1
2
3

js 代码

const containerItems = document.querySelectorAll(".container div");
const gobackTop = document.querySelector(".gobackTop");

window.onload = function () {
  containerItems[6].scrollIntoView({ behavior: "smooth" });
};

gobackTop.addEventListener("click", function () {
  window.scrollTo(0, 0);
});
1
2
3
4
5
6
7
8
9
10

html 元素

<div class="container">
  <div>
    <h1>1h1>
  div>
  <div>
    <h1>2h1>
  div>
  <div>
    <h1>3h1>
  div>
  <div>
    <h1>4h1>
  div>
  <div>
    <h1>5h1>
  div>
  <div>
    <h1>6h1>
  div>
  <div>
    <h1>7h1>
  div>
  <div>
    <h1>8h1>
  div>
  <div>
    <h1>9h1>
  div>
  <div>
    <h1>10h1>
  div>
  <div>
    <h1>11h1>
  div>
  <div>
    <h1>12h1>
  div>
  <div>
    <h1>13h1>
  div>
  <div>
    <h1>14h1>
  div>
  <div>
    <h1>15h1>
  div>
  <div>
    <h1>16h1>
  div>
div>

<div class="gobackTop">返回顶部div>
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52

css 样式

html {
  /* 平滑滚动到顶部 */
  scroll-behavior: smooth;
}

.container {
  margin: 0 auto;
  width: 300px;
}

.container > div {
  width: 300px;
  height: 300px;
  text-align: center;
  line-height: 300px;
  background-color: #efcd11;
}

.gobackTop {
  position: fixed;
  bottom: 50px;
  right: 50px;
  width: 50px;
  height: 50px;
  background-color: #efcd11;
}
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26