frydlewicz

export interface IObject {
    [key: string]: any;
}

export function cloneObject(source: IObject, maxDeep: number = Infinity): IObject {
    if (typeof source !== 'object') {
        throw new Error('Argument must be an object');
    }
    const refs = new WeakMap<IObject, IObject>();
    const dest: IObject = {};

frydlewicz

export default class Stack<T> {
    private readonly maxSize: number;
    private readonly loop: boolean;
    private readonly data: T[];

    private pos!: number;

    constructor(maxSize: number, loop: boolean = false) {
        if (!Number.isInteger(maxSize) || maxSize < 1) {
            throw new Error('Invalid parameter');

frydlewicz

export default class Queue<T> {
    private readonly maxSize: number;
    private readonly loop: boolean;
    private readonly data: T[];

    private size!: number;
    private toProduce!: number;
    private toConsume!: number;

    constructor(maxSize: number, loop: boolean = false) {

frydlewicz

(function(g,e,c){if(typeof g!="function"){return}var d=false;var f=0;var b=function(){var h=(new Date).getTime();if(d&&(f==0||e&&h-f>c)){document.removeEventListener("mouseleave",b);f=h;g()}};var a=function(j){var h=innerHeight/10;var i=j.movementY;var k=j.clientY;if(i<0&&k<h){d=true;document.addEventListener("mouseleave",b)}else{document.removeEventListener("mouseleave",b);d=false}};document.addEventListener("mousemove",a)})(
    function () { // callback function
        alert("Do not leave!")
    },
    true, // repeat calling
    5000  // interval in milliseconds
);

frydlewicz

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script>
    (function(g,f,j,i,h){$(window).on("load",function(){i=0;$("["+g+"]").each(function(){function a(b){h=b.attr(f);if(b.attr(g)=="style"){b.css("background-image","url("+h+")")}else{b[0].src=h}}setTimeout(a,++i*j,$(this))})})})(
        "data-lazyLoading", // attribute for type
        "data-src",         // attribute for src
        100                 // delay in milliseconds
    );
</script>
<img data-lazyLoading data-src="https://frydlewicz.pl/photo/Warszawa/DSC07655.jpg" alt>
<div data-lazyLoading="style" data-src="https://frydlewicz.pl/photo/Warszawa/DSC07644.jpg"></div>