javascript form on submit validation

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<script>
    $("form").submit(function(event) {
        var recaptcha = $("#g-recaptcha-response").val();
        if (recaptcha === "") {
            event.preventDefault();
            alert("Please Verify Captcha");
        }
    });
    
    $('#get_my_free_product').click(function(event) {
        var recaptcha = $("#g-recaptcha-response").val();
        if (recaptcha === "") {
            event.preventDefault();
            alert("Please Verify Captcha");
        }
    });
</script>

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