Verification Code OTP

by Zuhaib Siddiqui

HTML

<div class="verification-code">
                            <label class="control-label">Verification Code</label>
                            <div class="verification-code--inputs">
                                <input type="text" maxlength="1" />
                                <input type="text" maxlength="1" />
                                <input type="text" maxlength="1" />
                                <input type="text" maxlength="1" />
                                <input type="text" maxlength="1" />
                                <input type="text" maxlength="1" />
                            </div>
                            <input type="hidden" id="verificationCode" name="verificationCode" value="" />
                            <span id="errorCodeMsg" style="display:none;"></span>
                        </div>

CSS

.verification-code {
    max-width: 300px;
    position: relative;
    margin-right: 30px;
    margin-bottom: 40px;
}

.verification-code ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.verification-code ul > li {
    display: inline-block;
}

.verification-code--inputs input[type=text] {
    border: 2px solid #e1e1e1;
    width: 46px;
    height: 46px;
    padding: 10px;
    text-align: center;
    display: inline-block;
    font-size: 18px;
    font-weight: bold;
}

.verification-code.success::after,
.verification-code.failed::after {
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    -moz-osx-font-smoothing: grayscale;
    -webkit-font-smoothing: antialiased;
    display: inline-block;
    font-style: normal;
    font-variant: normal;
    text-rendering: auto;
    line-height: 1;
    position: absolute;
    top: 15px;
    right: -30px;
}

.verification-code.success::after {
    content: '\f00c';
    color: #32b93b;
}

.verification-code.failed::after {
    content: '\f00d';
    color: #b93232;
}

JavaScript

//Code Verification
            var verificationCode = [];
            $(".verification-code input[type=text]").keyup(function (event) {
                
                $(".verification-code input[type=text]").each(function (i) {
                    verificationCode[i] = $(".verification-code input[type=text]")[i].value;
                    $('#verificationCode').val(Number(verificationCode.join('')));
                });

                if ($(this).val().length > 0) {
                    if (event.key == 1 || event.key == 2 || event.key == 3 || event.key == 4 || event.key == 5 || event.key == 6 || event.key == 7 || event.key == 8 || event.key == 9 || event.key == 0) {
                        $(this).next().focus();
                    }
                } else {
                    if (event.key == 'Backspace') {
                        $(this).prev().focus();
                    }
                }
            });