Use JavaScript to hide and show text and graphics

You can show and hide the content to get attention of the user on a web page. it's a very useful thing for web designer and web developers. You can use JavaScript and CSS to achieve it. I am going to show some examples of it.

There are many libraries available on internet having the feature to hide and show different section of page but usually they carry heavy files to download which may slow down your page. You can use them if you have any complicated situation which can be achieved only by those libraries, unless you can use these short tricks.

It is easy let's do this in just three steps

Create a Div and put some content in it and give id to this Div, set it's style to display:none to hide the div by default

<div id="divhidden" style="display:none;">I have some hidden content</div>

Create a link and put following JavaScript in it.

<a href='javascript:;' 
   onclick="javascript:document.getElementById('divhidden').style.display = 'block';">
      Show content
</a>

Create an other link to hide the content again

<a href='javascript:;' 
   onclick="javascript:document.getElementById('divhidden').style.display = 'none';">
      Show content again
</a>

In this example we use text to show and hide but you can use any type of elements like image.

How to change the content of hidden div, let's change it

<a href="javascript:;" 
 onClick="javascript:document.getElementById('divhidden').innerHTML='new html goes here';">
   Update the HTML
</a> 

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