javascript(jquery)-分页功能

<!DOCTYPE html><html lang="en"><head><meta charset="UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=edge"><meta name="viewport" content="width=device-width, init

h_jQuery

321人浏览 · 2021-05-14 09:29:48

h_jQuery · 2021-05-14 09:29:48 发布

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>分页效果</title>
</head>
<body>
    <script>
        // 数组
        var array=[10,30,46,50,75,21,64,21];
        // 当前页（第2页）
        var currentPage = 2;
        // 开始的下标（第start个元素）
        var start = (currentPage-1)*3;
        console.log(start);
        // 结束的下标（第end-1个元素）
        var end = currentPage*3;
        console.log(end);
        // 新的数组newArr为array数组的第start个元素到第end-1个元素
        // .slice(x,y)：取第x个元素到y-1个元素，包含x不包含y
        var newArr = array.slice(start,end);
        console.log(newArr);
    </script>
</body>
</html>