Pen Settings



CSS Base

Vendor Prefixing

Add External Stylesheets/Pens

Any URLs added here will be added as <link>s in order, and before the CSS in the editor. You can use the CSS from another Pen by using its URL and the proper URL extension.

+ add another resource


Babel includes JSX processing.

Add External Scripts/Pens

Any URL's added here will be added as <script>s in order, and run before the JavaScript in the editor. You can use the URL of any other Pen and it will include the JavaScript from that Pen.

+ add another resource


Add Packages

Search for and use JavaScript packages from npm here. By selecting a package, an import statement will be added to the top of the JavaScript editor for this package.


Auto Save

If active, Pens will autosave every 30 seconds after being saved once.

Auto-Updating Preview

If enabled, the preview panel updates automatically as you code. If disabled, use the "Run" button to update.

Format on Save

If enabled, your code will be formatted when you actively save your Pen. Note: your code becomes un-folded during formatting.

Editor Settings

Code Indentation

Want to change your Syntax Highlighting theme, Fonts and more?

Visit your global Editor Settings.


                <html lang="en">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Highlight Searched Text</title>
    <!--Google Font-->
    <link href="" rel="stylesheet">
    <link rel="stylesheet" href="style.css">
    <div class="container">
        <div class="wrapper">
            <input type="text" id="text-to-search" placeholder="Enter text to search..">
            <button onclick="search()">Search</button>
        <p id="paragraph">
            He ordered his regular breakfast. Two eggs sunnyside up, hash browns, and two strips of bacon. He continued to look at the menu wondering if this would be the day he added something new. This was also part of the routine. A few seconds of hesitation to see if something else would be added to the order before demuring and saying that would be all. It was the same exact meal that he had ordered every day for the past two years.

    <script src="script.js"></script>


    padding: 0;
    margin: 0;
    box-sizing: border-box;
    font-family: "Rubik",sans-serif;
    height: 100%;
    background: linear-gradient(
        to right,
        #201d2e 50%,
        #f6f6f6 50%
    ) fixed;
    width: 90vmin;
    background-color: #ffffff;
    padding: 50px 40px;
    position: absolute;
    transform: translate(-50%,-50%);
    top: 50%;
    left: 50%;
    border-radius: 5px;
    box-shadow: 0 20px 35px rgba(60,60,60,0.2);
    display: flex;
    justify-content: space-between;
.wrapper input{
    width: 60%;
    padding: 10px 5px;
    border-radius: 3px;
    border: 1px solid #201d2e;
.wrapper button{
    width: 30%;
    background-color: #201d2e;
    border: none;
    outline: none;
    cursor: pointer;
    color: #ffffff;
    border-radius: 3px;
.container p{
    line-height: 35px;
    text-align: justify;
    margin-top: 30px;
    background-color: #ffdd4b;


                // Characters to be escaped [.*+?^${}()|[\]\\] 

function search(){
    let textToSearch = document.getElementById("text-to-search").value;
    let paragraph = document.getElementById("paragraph");
    textToSearch = textToSearch.replace(/[.*+?^${}()|[\]\\]/g,"\\$&");

    let pattern = new RegExp(`${textToSearch}`,"gi");

    paragraph.innerHTML = paragraph.textContent.replace(pattern, match => `<mark>${match}</mark>`)