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Detecting an Ad-Blocker Using JavaScript in Blogger

AdBlocker is a utility that filters content or blocks ads in the browser. It helps users to block ads and pop-ups.
Detecting an Ad-Blocker Using JavaScript in Blogger
Detecting an Ad-Blocker Using JavaScript in Blogger

Detecting an Ad-Blocker Using JavaScript in Blogger

Welcome back to my Blog, today's article I will share with you the code to display the AdBlock detection warning using Javascript. In the previous post, I shared about Sharing the code to display the music player using JavaScript .

AdBlocker is a utility that filters content or blocks ads in the browser. It helps users to prevent unwanted ads and pop-ups. But websites that earn mainly from advertising will need to notify users to turn off AdBlock to display ads because it reduces the website's income.

And this article as you can see in the thumbnail, there will be a dialog box pop up informing the visitor that they are using AdBlock. If the user has AdBlocker enabled then this message will be displayed and otherwise it will not be displayed.

Share AdBlock detection warning code using Javascript

Step 1: Add the following HTML code before the closing tag </body>.

<div id='ch-detect'></div>
<div class='ch-bg-effect'></div>
<div class='ch-popup-box'>
    <div class='content'>
        <div class='warn-icon'>
            <span class='icon'><i class='has-svg-icon icon-exclamation'></i></span>
        <h2>AdBlock Detected!</h2>
        <p>Our website is made possible by displaying ads. Please whitelist our site to copy the given source codes. <a href='#!' target='_blank'>Read more</a></p>
        <button class='dismiss-btn'>Okay, I'll Whitelist</button>

Step 2: Add the following JavsScript code below the inserted HTML.

    const detectElem = document.querySelector("#ch-detect");
    const adBlockPopup = document.querySelector(".ch-popup-box");
    const dismissBtn = adBlockPopup.querySelector(".dismiss-btn");
    const BgEffect = document.querySelector(".ch-bg-effect");
    let adClasses = ["ad", "ads", "adsbox", "doubleclick", "ad-placement", "ad-placeholder", "adbadge", "BannerAd"];
    for(let item of adClasses){
    let getProperty = window.getComputedStyle(detectElem).getPropertyValue("display");
      getProperty == "none" ? adBlockPopup.classList.add("show") : adBlockPopup.classList.remove("show");
      getProperty == "none" ? BgEffect.classList.add("show") : BgEffect.classList.remove("show");
    dismissBtn.addEventListener("click", ()=>{

Finally: Add the below CSS code to your website. Remember to adjust it to suit your Website, this CSS is according to my Blog.

.ch-popup-box{box-sizing:unset;position: fixed;max-width: 420px;top: 50%;left: 50%;width: 100%;padding: 40px 50px;background:var(--white) url(https://1.bp.blogspot.com/-HPi2I8LwSUo/YdMn8q1iRhI/AAAAAAAAUC8/xI-42zFw-14IfeSMvYlIrrrCHs_fZTtLwCNcBGAsYHQ/s150/kitten-ink.webp) no-repeat right bottom;background-size:100px;border-radius:4px;opacity: 0;z-index: 2147483647;pointer-events: none;transform: translate(-50%, -50%) scale(1.2);box-shadow: 10px 10px 15px rgba(0,0,0,0.06);transition: opacity 0.2s 0s ease-in-out,transform 0.2s 0s ease-in-out;}
.ch-popup-box.show{opacity: 1;pointer-events: auto;transform: translate(-50%, -50%) scale(1);}
@media screen and (max-width: 600px){.ch-popup-box{transform: translate(-50%, -50%) scale(0.7);}.ch-popup-box.show{transform: translate(-50%, -50%) scale(0.9);}.ch-popup-box h2{text-align: center;}}
.ch-bg-effect{backdrop-filter:blur(2px) sepia() brightness(0.5) grayscale(1);position: fixed;left: 0;top: 0;z-index: 2147484000;height: 100%;width: 100%;background:rgba(0,0,0,.2);opacity: 0;pointer-events: none;transition: opacity 0.3s ease;}
.ch-bg-effect.show{opacity: 1;pointer-events: auto;}
.ch-popup-box .content,.ch-popup-box .content .warn-icon,.ch-popup-box .warn-icon .icon{display: flex;align-items: center;justify-content: center;}
.ch-popup-box .content{flex-direction: column;}
.ch-popup-box .content .warn-icon{height:115px;width:115px;border-radius:50%;background:#66689c}
.ch-popup-box .warn-icon .icon{height: 100px;width:100px;background:#fff;border-radius:inherit}
.ch-popup-box .content h2{margin: 0;margin-top: 40px;font-size: 32px;font-weight: 600;letter-spacing:1px}
.ch-popup-box .content p{margin: 0;font-size: 19px;text-align: center;margin-top: 23px;line-height: 30px}
.ch-popup-box .content p a{color: #7577a9}
.ch-popup-box .content p a:hover{text-decoration: underline;}
.ch-popup-box .content .dismiss-btn{margin-top:30px;padding:15px 27px;font-size:18px;border:none;outline:none;color:#fff;cursor:pointer;border-radius:50px;background:#7577a9;transition:background 0.3s ease;}
.ch-popup-box .content .dismiss-btn:hover{background: #66689c;}
.icon-exclamation:before{background-image: url("data:image/svg+xml,%3Csvg width='24' height='24' fill='%2366689c' viewBox='0 0 1000 1000' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d=' M 526 150C 576 150 602 175 601 224C 600 300 600 350 575 525C 570 560 560 575 525 575C 525 575 475 575 475 575C 440 575 430 560 425 525C 400 355 400 300 400 226C 400 175 425 150 475 150M 500 650C 527 650 552 661 571 679C 589 698 600 723 600 750C 600 805 555 850 500 850C 445 850 400 805 400 750C 400 723 411 698 429 679C 448 661 473 650 500 650C 500 650 500 650 500 650'/%3E%3C/svg%3E");width:80px;height:80px;background-size:100%;content:"";display:inline-block;vertical-align:middle}

I think it's a bit annoying for users to access articles with paid content because the article is already paid and doesn't need advertising anymore. Please combine for free content, like my Blog when you turn on AdBlock, you will not be able to copy the code directly from your Blog, you can try it if you use AdBlock. Please use it reasonably to avoid causing inventory!

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