lean_in_world/frontend_assets/js/custom.js

// countries selectors
$(document).ready(function (e) {
    $('.selected_text').click(function () {
        $('.all_head').toggleClass("slide");
        $('.fontAwesomeIcon').toggleClass('rotate');
    });
    $('.facultySelecter').click(function () {
        var unhide = $(this).data("faculty");
        var text = $('.replaced_data').text(unhide);
        $('.all_head').toggleClass("slide");
    });
});

$(document).ready(function (e) {
    $('.selected_text_two').click(function () {
        $('.all_head_two').toggleClass("slide_two");
        $('.fontAwesomeIcon_two').toggleClass('rotate');
    });
    $('.facultySelecter_two').click(function () {
        var unhide = $(this).data("faculty");
        var text = $('.replaced_data_two').text(unhide);
        $('.all_head_two').toggleClass("slide_two");
    });
});


// header sticky

$(document).ready(function () {
    $(window).on('scroll', function () {
        if ($(document).scrollTop() > 100) {
            $('#header-topp').addClass('back')
        } else {
            $('#header-topp').removeClass('back')
        }
        ;
    });
});

// top-up button

const colorMax = 192;
const scrollBreakpoint = window.innerHeight * 0.9;
document.addEventListener('DOMContentLoaded', () => {
    randomizeBackgrounds();
    setupScrollListener();
    setupScrollEvent();
});

function setupScrollEvent() {
    const scrollButton = document.querySelector('.scroll-top');

    scrollButton.addEventListener('click', (e) => {
        smoothVerticalScrolling(scrollButton.parentElement, 250, "top");
    });
}

function setupScrollListener() {
    window.addEventListener('scroll', (e) => {
        const scrollButton = document.querySelector('.scroll-top');
        const scrollOffset = window.scrollY;

        if (scrollOffset >= scrollBreakpoint) {
            scrollButton.classList.add('visible');
        } else if (scrollOffset <= 0) {
            scrollButton.classList.remove('visible');
        }
    });
}

function randomizeBackgrounds() {
    const contentContainers = document.querySelectorAll('.content-container');
    [].forEach.call(contentContainers, container => {
        container.style.background = `rgb(${randVal(colorMax)},${randVal(colorMax)},${randVal(colorMax)})`;
    });
}

function randVal(max) {
    return Math.floor(Math.random() * Math.floor(max));
}

function smoothVerticalScrolling(e, time, where) {
    const eTop = e.getBoundingClientRect().top;
    const eAmt = eTop / 100;
    let curTime = 0;

    while (curTime <= time) {
        window.setTimeout(SVS_B, curTime, eAmt, where);
        curTime += time / 100;
    }
}

function SVS_B(eAmt, where) {
    if (where == "center" || where == "") {
        window.scrollBy(0, eAmt / 2);
    }
    if (where == "top") {
        window.scrollBy(0, eAmt);
    }
}

// accordian

$(document).ready(function () {
    $(document).on("click",".set > button", function () {
        if ($(this).hasClass("active")) {
            $(this).removeClass("active");
            $(this)
                    .siblings(".content")
                    .slideUp(200);
            $(".set > button i")
                    .removeClass("fa-minus")
                    .addClass("fa-plus");
        } else {
            $(".set > button i")
                    .removeClass("fa-minus")
                    .addClass("fa-plus");
            $(this)
                    .find("i")
                    .removeClass("fa-plus")
                    .addClass("fa-minus");
            $(".set > button").removeClass("active");
            $(this).addClass("active");
            $(".content").slideUp(200);
            $(this)
                    .siblings(".content")
                    .slideDown(200);
        }
    });
});


// avatar edit

function readURL(input) {
    if (input.files && input.files[0]) {
        var reader = new FileReader();
        reader.onload = function (e) {
            $('#imagePreview').css('background-image', 'url(' + e.target.result + ')');
            $('#imagePreview').hide();
            $('#imagePreview').fadeIn(650);
        }
        reader.readAsDataURL(input.files[0]);
    }
}
$("#imageUpload").change(function () {
    readURL(this);
});



// calendar

// filter
$('.programs-new .fil-by').on('click', function () {
    $('.show-fil').slideToggle("slow");
});



// currency
$(document).ready(function () {
    $('#myselection').on('change', function () {
        var demovalue = $(this).val();
        $("div.myDiv").hide();
        $("#show" + demovalue).show();
    });
});