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Age Gate Modal Overlay

Example

Age Gate Modal Overlay

Description

Add a birthday/age gate modal confirmation to your Webflow site via this simple Javascript code snippet.

Instructions

  1. Add the Javascript code snippet to your Webflow custom code before the closing body tag
  2. Update the classes and IDs to your own IDs and classes

Javascript snippet

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<script src = "https://cdnjs.cloudflare.com/ajax/libs/js-cookie/2.2.1/js.cookie.js"></script>

<script>

		//Modified from Finsweets age gate redirect hack: https://www.finsweet.com/hacks/21/
    
    // if no validAge cookie then show the age gate
    if (!Cookies.get('validAge')) {
        $('.age-gate-modal-wrapper').show();
    }

    // when form is submitted check if the birthday is above 18 years old
    $("#verify-form").on('submit', function(e) {

        // get year, month & day values
        const year = $('#verify-year').val();
        const month = $('#verify-month').val();
        const day = $('#verify-day').val();

        // make date string
        const date = year + '/' + month + '/' + day;

        // if user's age >= 18
        if (getAge(date) >= 18) {

            // prevent form from submitting
            e.preventDefault();

            // give the user a validAge cookie
            Cookies.set('validAge', true, {
                expires: 365
            });
            // hide the age gate popup
            $('.age-gate-modal-wrapper').hide();

        }
    });

    // getAge function
    function getAge(dateString) {
        const today = new Date();
        const birthDate = new Date(dateString);
        let age = today.getFullYear() - birthDate.getFullYear();
        const month = today.getMonth() - birthDate.getMonth();
        if (month < 0 || (month === 0 && today.getDate() < birthDate.getDate())) {
            age--;
        }
        return age;
    }

</script>

CSS snippet

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HTML snippet

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Corey Moen

Corey Moen

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Age Gate Modal Overlay

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