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How to add a coin tracker to html website code? [closed]

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I am building a website for the first time. I want to do everything from the bottom up, full stack.
I need to know how to add token trackers in my HTML document. I don't know if I will need any time of backend to make this work and I am guessing I will need to know a bit of JS to make it happen.
My initial thought is to copy the URL from coin gecko somehow but that is all I am good for.
Here is where I am at:
<table>
<tr>
<th>Coin</th>
<th>Price</th>
<th>24hr Mcap</th>
<th>24 hr Vol</th>
</tr>
<tr>
<td>Bitcoin</td>
<td><!--interactive price-->price</td>
<td><!--interactive -->mcap</td>
<td><!--interactive-->vol</td>
</tr>

How to display an input like stackoverflow answer box [closed]

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I'm working on a Django chat app and I want a <textarea> or <input type="text"> with the markdown format, like this own input, that I can format code, put images, etc.

Personally I like TinyMCE, however just do a search on Google for JavaScript WYSIWYG editor. Some will come with markdown plugins.

How to grab images from folder and post direct links using javascript [closed]

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Quick question: I'm trying to create a chrome extension that has gifs, I would like to grab those gifs from a folder on my server. How can I grab gifs from that folder and post them as gifs dynamically?

Basic HTML :
<img id="dynamic" src="" alt=""/>
JavaScript :
document.getElementById('dynamic').src = '/image/path.gif';
Jquery :
$('#dynamic').attr('src', '/image/path.gif');

Select custom file in a file upload [closed]

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I want to use Choose File to select a file in a file upload. CAn anyone help me fix this using Javascript, Jquery, CSS, or some other method?

You can try out: Bootstrap fileStyle
You first need to import js/bootstrap-filestyle.min.js like this:
<script type="text/javascript" src="js/bootstrap-filestyle.min.js"> </script>
and then change the button text using:
JavaScript:
$(":file").filestyle({buttonText: "Select file"});
OR through simple HTML:
<input type="file" class="filestyle" data-buttonText="Select file">

How to create a real-time HTML editor? [closed]

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I'm creating a PHP website where when you put a text in a textarea, and the content of the input will be put in a table in real time to have a preview of the result.
Is there a way to make this possible? I don't have any idea how to do this. I've found a lot of sites on the internet like "Real Time HTML Editor", "Instant HTML" and they do exactly what I want. Is there any JavaScript that could make this possible?

Try this
<table>
<tr>
<td id="real"></td>
</tr>
</table>
<textarea id="txt"></textarea>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.8/jquery.min.js"></script>
<script>
$(document).ready(function(){
$('#txt').keyup(function(){
$('#real').html($(this).val());
});
});
</script>