jQuery Tips: How to Change Table Row Properties
Title: jQuery Tips: How to Change Table Row Properties
Text:
In web development, tables are one of the commonly used elements. Changing table row attributes through jQuery can make the page more interactive and dynamic. This article will introduce some methods of using jQuery to change table row properties and provide specific code examples.
1. Add hover effect to table rows
To achieve the effect of changing the background color of the row when the mouse hovers over the table row, you can use the following code:
<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<style>
tr:hover {
background-color: lightgray;
}
</style>
</head>
<body>
<table>
<tr>
<td>第一行</td>
<td>内容</td>
</tr>
<tr>
<td>第二行</td>
<td>内容</td>
</tr>
</table>
</body>
</html> 2. Change the color of table rows based on conditions
Sometimes we need to change the style of table rows based on certain conditions, such as displaying different colors based on the size of the value. The following code shows how to change the background color of table rows based on the size of the data:
<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<script>
$(document).ready(function(){
$("table tr").each(function(){
var value = parseInt($(this).find("td:last").text());
if(value > 50){
$(this).css("background-color", "green");
} else {
$(this).css("background-color", "red");
}
});
});
</script>
</head>
<body>
<table>
<tr>
<td>数据1</td>
<td>60</td>
</tr>
<tr>
<td>数据2</td>
<td>40</td>
</tr>
</table>
</body>
</html>The above are two common methods of using jQuery to change table row properties. Through these techniques, you can make the web page more beautiful and dynamic. I hope the content of this article is helpful to you!
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