JavaScript implements color identification when the mouse passes over the table row

This article shares with you how to use JavaScript to give color labels when the mouse passes over a table row. The specific content is as follows

Code:

<!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>Document</title>
    <style>
        * {
            margin: 0;
            padding: 0;
        }
        
        table {
            margin: 100px auto;
            width: 800px;
            border-spacing: 0;
            text-align: center;
        }
        
        table tr:nth-child(1) {
            background-color: rgb(135, 206, 235);
        }
        
        table tr:nth-child(n+2) {
            border-bottom: 1px solid black;
        }
        
        th {
            font-size: 14px;
            padding-top: 5px;
            padding-bottom: 5px;
        }
        
        td {
            font-size: 12px;
            padding-top: 8px;
            padding-bottom: 8px;
            color: blue;
            border-bottom: 1px solid lightgray;
        }
    </style>
</head>

<body>
    <table>
        <tr>
            <th>Code</th>
            <th>Name</th>
            <th>Latest published net worth</th>
            <th>Accumulated net value</th>
            <th>Previous unit net value</th>
            <th>Net asset growth rate</th>
        </tr>
        <tr>
            <td>003526</td>
            <td>Agricultural Bank of China Jinsui 3-month regular open bond</td>
            <td>1.075</td>
            <td>1.079</td>
            <td>1.074</td>
            +0.047%
        </tr>
        <tr>
            <td>003526</td>
            <td>Agricultural Bank of China Jinsui 3-month regular open bond</td>
            <td>1.075</td>
            <td>1.079</td>
            <td>1.074</td>
            +0.047%
        </tr>
        <tr>
            <td>003526</td>
            <td>Agricultural Bank of China Jinsui 3-month regular open bond</td>
            <td>1.075</td>
            <td>1.079</td>
            <td>1.074</td>
            +0.047%
        </tr>
        <tr>
            <td>003526</td>
            <td>Agricultural Bank of China Jinsui 3-month regular open bond</td>
            <td>1.075</td>
            <td>1.079</td>
            <td>1.074</td>
            +0.047%
        </tr>
        <tr>
            <td>003526</td>
            <td>Agricultural Bank of China Jinsui 3-month regular open bond</td>
            <td>1.075</td>
            <td>1.079</td>
            <td>1.074</td>
            +0.047%
        </tr>
        <tr>
            <td>003526</td>
            <td>Agricultural Bank of China Jinsui 3-month regular open bond</td>
            <td>1.075</td>
            <td>1.079</td>
            <td>1.074</td>
            +0.047%
        </tr>


    </table>

    <script>
        var rows = document.querySelectorAll(' table tr:nth-child(n+2)');
        for (var i = 0; i < rows.length; i++) {
            rows[i].onmouseover = function() {
                this.style.backgroundColor = "lightblue";
            }
            rows[i].onmouseout = function() {
                this.style.backgroundColor = "";
            }
        }
    </script>
</body>

</html>

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