How to conceal certain sections of HTML using jQuery

Currently, I am in the process of creating a "news" page for a website.

My goal is to only show the first 15 lines of each news article when the page is loaded, creating a neat appearance for visitors. After the 15th line, I include a "read more" link that triggers a jQuery function to reveal the remaining content.

However, a challenge arises as the news content is stored in the database as HTML. When truncating to 15 lines, it can sometimes result in improperly closed div tags, causing issues with the jQuery functionality. Although I have tried various solutions like closing unclosed tags programmatically, there are still instances where problems persist.

Is there a way to hide a section of an HTML tag based solely on its height without needing to insert an additional tag for hiding and showing the content?

Answer №1

To hide the scrollbars and set the desired height, apply the style overflow:hidden to the container. If necessary, wrap the story in another div.

When you click the "read more" button, remove the height style to display the entire story.

Alternatively, you can create a CSS class that toggles on and off each time the button is clicked.

.shortstory{
    height:50px;
}

$(".readmorebutton").click(function(){
    $("selector for story container").toggleClass("shortstory");
});

Answer №2

Check out the jQuery Expander Plugin for more information.

Answer №3

One effective approach could be utilizing CSS for assistance. To illustrate, if the article content is structured as shown in the following markup, you can establish a CSS rule specifying "max-height: 15em; overflow: hidden;". Then, with the help of JavaScript, you can dynamically eliminate the 'max-height' attribute once the user clicks on the 'read more' link.

Answer №4

To easily show or hide more content in your article, you can apply a class with the property overflow:hidden and use jQuery to toggle that class.

Here is the CSS code:

.overflow{
    overflow:hidden;
    height:100px;
}

Here is a sample markup:

<div>
    <p class="overflow">
    </p>
    <span>Read More</span>
</div>

Here is the jQuery code:

$("someshowmorelink").click(function(){
    $(this).siblings("p").toggleClass("overflow");
});

Check out the example on jsfiddle

Answer №5

Here's a tip for displaying a specific number of characters: If your div has a height of 50px, you can utilize Firebug to determine how many characters fit within that space. From there, you can utilize the substring method to extract only that number of characters.

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