With the development of the Internet, HTML, as a markup language, is widely used in web design. In the process of web development, hidden rows are often used to make the web page layout more beautiful.
HTML row hiding refers to hiding certain rows in the HTML table, giving users a better visual effect, and also improving the loading speed of web pages. Below we will introduce how to hide rows in HTML tables.
1. Use CSS to hide rows
CSS is a language used to modify the style of web pages and is often used in HTML. Use CSS to hide rows. The steps are as follows:
1. In the CSS file, add the following code:
table tr:nth-child(n){ display:none; }
where n represents the number of rows to be hidden. The nth-child() function here is to select the nth element in the table. For example, if I want to hide row 2 of the table, n should be equal to 2.
In the HTML file, introduce the CSS file into the head tag, the code is as follows:
Note that style.css here is the name of the CSS file you defined, which should be named according to the actual situation.
3. Add the class attribute to the attribute of the table tag, the code is as follows:
The hiddenRows here is the class name you defined for the table, name it according to your needs.
4. Add the class attribute to the attribute of the tr tag. The code is as follows:
The hidden here is the class name you defined for this line, name it according to specific needs.
Through the above steps, we have successfully hidden this row.
2. Use JavaScript to implement hidden rows
JavaScript is a scripting language used to add dynamic effects to web pages. Use JavaScript to hide rows. The specific steps are as follows:
1. In the HTML file, introduce the following code:
<script>
function hideRow() {
document.getElementById("myTable").rows[1].style.display = "none";
}
</script>
Among them, myTable represents the name of the table you want to hide, and 1 represents the number of rows you want to hide. Here we are hiding row 2, so the value of n is 1.
2. Add the id attribute to the attribute of the table tag. The code is as follows:
MyTable here represents the ID name of the table, which is defined according to the actual situation.
3. Add the id attribute to the attribute of the tr tag, the code is as follows:
Row2 here represents the ID name of the row you want to hide, which is defined according to the actual situation.
Through the above steps, we have successfully hidden this row.
summary
HTML line hidden lines are widely used in the web development process, providing great help for web page layout and visual effects. By using CSS and JavaScript to hide table rows, we can give users a better browsing experience. I hope that the introduction in this article will be helpful to everyone.
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