Let’s add the printing mode for all pages of the document.
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Minimum of boring theory and lots of practical tasks."><meta name="twitter:image" property="og:image" content="https://htmlacademy.org/og/htmlacademy.png"><meta name="twitter:card" content="summary_large_image"><link rel="canonical" href="https://htmlacademy.org/courses/javascript-programming/loops/all-modes-2"><meta name="theme-color" content="#2f358f"></head><body class="course-interface course-interface--light" data-base="/assets/courses/4/"><header class="page-header page-header--course"><div class="page-header__inner"><div class="page-header__top"><a class="page-header__logo" href="/" aria-label="HTML Academy Home"><img src="https://assets.htmlacademy.org/img/logo--small.svg?cs=1218aec0be4a5f23db79ad29a14e30f7f9fb9a25" width="24" height="36" alt="HTML Academy"></a><nav class="main-nav main-nav--mini" role="navigation"><div class="main-nav__course-nav"><a class="main-nav__course-item main-nav__course-button main-nav__course-button--prev" href="/courses/javascript-programming/loops/all-modes-1">Printing driver: copy mode</a><div class="main-nav__course-item main-nav__course-list main-nav__course-list--collapsed"><b class="main-nav__course-title">Loops</b><span class="main-nav__course-stat">9/28</span><div class="main-nav__course-contents"><a class="main-nav__course-contents-link" href="/courses/javascript-programming/loops">Back to the list of tasks</a><ul class="main-nav__course-contents-list"><li class="main-nav__course-contents-item"><a href="/courses/javascript-programming/loops/print-3-pages">1. New project: driver development</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-programming/loops/use-for-loop">2. Managing the number of copies</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-programming/loops/print-all-pages">3. Learning the for loop</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-programming/loops/print-pages-fixed">4. Correcting the loop</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-programming/loops/print-reverse">5. Printing the pages in reverse order</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-programming/loops/print-odd-pages">6. Printing only odd pages</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-programming/loops/print-even-pages">7. Printing only even pages</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-programming/loops/all-modes-1">8. Printing driver: copy mode</a></li><li class="main-nav__course-contents-item main-nav__course-contents-item--current"><a href="/courses/javascript-programming/loops/all-modes-2">9. Printing driver: all pages</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-programming/loops/all-modes-3">10. Printing driver: pages in reverse order</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-programming/loops/all-modes-4">11. Print driver: even and odd pages</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-programming/loops/all-modes-5">12. Print driver: switching evens and odds</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-programming/loops/accumulation">13. Accumulation in the loop</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-programming/loops/conditions">14. Checks in loops</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-programming/loops/division">15. Searching for an even number</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-programming/loops/calc-toner-1">16. How much does printing cost?</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-programming/loops/calc-toner-2">17. Economy printing</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-programming/loops/calc-toner-3">18. Saving ink</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-programming/loops/summary-1">19. Summary of “Loops”. Part 1</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-programming/loops/for-challenge">20. Third program: “Protein shake!”</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-programming/loops/hello-while">21. It’s been a “while”</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-programming/loops/while-total">22. The while loop, summation</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-programming/loops/dart-machine-1">23. Another project: a dart machine</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-programming/loops/dart-machine-2">24. Dart machine: accumulating misses</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-programming/loops/dart-machine-3">25. Dart machine: defeat</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-programming/loops/dart-machine-5">26. Dart machine: final scoreboard</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-programming/loops/summary-2">27. Summary of “Loops”. Part 2</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-programming/loops/while-challenge">28. Fourth program: “Mad Dryer”</a></li></ul></div></div><a class="main-nav__course-item main-nav__course-button main-nav__course-button--next" href="/courses/javascript-programming/loops/all-modes-3">Printing driver: pages in reverse order</a></div><ul class="main-nav__list main-nav__list--user main-nav__list--user-guest"><li class="main-nav__item" itemprop="name"><a class="main-nav__link" href="/signup?redirect_url=%2Fcourses%2Fjavascript-programming%2Floops%2Fall-modes-2" title="Sign up" data-modal="open" data-value="register" itemprop="url"><span class="main-nav__icon" aria-hidden="true"><svg aria-hidden="true"><use xlink:href="/img/sprites/general.svg#user"></use></svg></span>Sign up</a></li><li class="main-nav__item main-nav__item--login" itemprop="name"><a class="main-nav__link" href="/login?redirect_url=%2Fcourses%2Fjavascript-programming%2Floops%2Fall-modes-2" title="Log in" data-modal="open" data-value="login" itemprop="url"><span class="main-nav__icon" aria-hidden="true"><svg 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3.896.106.328.5.46.78.26.273.192.653.06.745-.26.735-2.66-1.6-5.728-3.766-7.16z" fill="#F1662A"/></svg></span><p class="course-loading-overlay__message"><b class="course-loading-overlay__message-title">Loading…</b><br><span class="course-loading-overlay__message-text">Everything will be ready in few seconds</span></p></div></div><div class="course-layout__sidebar course-theory"><div class="course-theory__inner course-theory__inner--left-stub"><button class="course-theory__close icon-close icon-close--light" type="button">Close</button><ul class="course-tabs course-tabs--non-interactive course-layout__theory-heading js--theory-tabs"><li class="course-tabs__item course-tabs__item--external course-tab course-tab--centered"><span class="course-tab__icon"><svg aria-hidden="true"><use xlink:href="/img/sprites/courses.svg#icon-theory"></use></svg></span><span class="course-tab__title">Theory</span></li><li class="course-tabs__item course-tabs__item--internal course-tab course-tab--centered course-tab--active js--theory-tab__theory"><span class="course-tab__icon"><svg aria-hidden="true"><use xlink:href="/img/sprites/courses.svg#icon-theory"></use></svg></span><span class="course-tab__title">Theory</span></li><li class="course-tabs__item course-tabs__item--internal course-tab course-tab--centered js--theory-tab__comments"><span class="course-tab__icon"><svg aria-hidden="true" style="width: 16px; height: 16px; fill: #2e2c9c;"><use xlink:href="/img/sprites/up.svg#comment"></use></svg></span><span class="course-tab__title">Comments</span></li></ul><section class="course-theory__content"><div class="js--theory-pane__theory course-theory__content-inner"><h1 class="course-theory__content-heading">Printing driver: all pages</h1><div class="course-theory__content-text"><p>The first mode is added, good!</p><p>Now let’s add the printing mode for all pages of the document. It will be called <code>'document'</code>. The total number of pages is stored in the variable <code>totalPages</code>.</p><p>Here we will print the pages one by one and make sure that they are all printed. Therefore, the counter can be called <code>page</code>, it will show the printed page number.</p></div></div><div class="js--theory-pane__comments hidden course-theory__content-inner"><div class="course-theory__content-text"><h2 class="course-theory__content-heading">Comments</h2><div id="disqus_thread"></div><script>
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</script><noscript>Please enable JavaScript to view the <a href="https://disqus.com/?ref_noscript">comments powered by Disqus.</a></noscript></div></div></section><div class="course-theory__controls"><button class="button button--close" type="button">To the task</button></div></div></div><div class="course-layout__column course-layout__column--left"><ul class="js--course-tabs course-tabs course-layout__course-tabs"><li class="course-tabs__item course-tab js--editor-tab course-tabs__item--limited course-tabs__item--limited-large course-tab--active" data-editor="js"><span class="course-tab__title course-tab__title--indent"><span class="course-tab__title-part course-tab__title-part--active">script.js</span></span></li></ul><div class="course-layout__editors"><div class="js--editor course-editor course-layout__editor" id="" data-tab="js" data-split=""><span class="course-editor__label"><span class="course-editor__label-item">JavaScript</span></span><div class="course-editor__item" id="js-editor">var mode = 'pageCopy'; // Printing driver mode
var pageNumber = 5; // Copied page number
var copyCount = 7; // Number of copies
var totalPages = 6; // Pages in the document
if (mode === 'pageCopy') {
for (var copies = 1; copies <= copyCount; copies++) {
muffin.print(pageNumber);
}
}
</div></div></div><div class="course-editor-controls"><button class="course-editor-controls__item course-editor-controls__item--answer" type="button">Show the answer</button></div><div class="js--feedback course-unhappy"><button class="js--feedback-btn course-unhappy__button" type="button"><span class="sr-only">Complain</span><svg aria-hidden="true"><use xlink:href="/img/sprites/courses.svg#unhappy"></use></svg></button><div class="js--feedback-modal course-unhappy__modal course-unhappy__modal--step-one"><form method="POST" action="/courses/javascript-programming/loops/all-modes-2/signal" class="course-unhappy__form form"><input type="hidden" name="csrf_name" value="csrf69aea6a25d681"><input type="hidden" name="csrf_value" value="76eb7935aea6c0d1c94930c0b9fbe83e"><p class="course-unhappy__text">What didn’t you like in this task?</p><div class="course-unhappy__slide"><div class="course-unhappy__wrap"><div class="course-unhappy__list"><label class="checkbox checkbox--small"><input class="checkbox__input" name="problems" value="1" type="checkbox"><span class="checkbox__text">The code check doesn’t work</span></label><label class="checkbox checkbox--small"><input class="checkbox__input" name="problems" value="2" type="checkbox"><span class="checkbox__text">The task is too difficult</span></label><label class="checkbox checkbox--small"><input class="checkbox__input" name="problems" value="3" type="checkbox"><span class="checkbox__text">The theory is hard to understand</span></label><label class="checkbox checkbox--small"><input class="js--feedback-other-checkbox checkbox__input" name="problems" value="0" type="checkbox"><span class="checkbox__text">Other (will write below)</span></label></div><div class="course-unhappy__message"><label class="sr-only" for="id-message">Другое (сейчас напишу)</label><textarea class="field field--area" id="id-message" name="message" placeholder="For example, a typo in the word «heading»"></textarea></div></div></div><button class="course-unhappy__control course-unhappy__control--prev" type="button"><span class="sr-only">Prev</span><svg aria-hidden="true"><use xlink:href="/img/sprites/landings.svg#arrow"></use></svg></button><button class="course-unhappy__control course-unhappy__control--next" type="button" disabled><span class="sr-only">Next</span><svg aria-hidden="true"><use xlink:href="/img/sprites/landings.svg#arrow"></use></svg></button><button class="js--submit-btn button" disabled>Submit</button></form><p class="course-unhappy__result hidden">Thanks! We’ll fix everything at once!</p></div></div></div><div class="course-layout__column course-layout__column--right"><span class="course-separator-control"><svg aria-hidden="true"><use xlink:href="/img/sprites/courses.svg#icon-arrows-separator"></use></svg></span><div class="course-browser"><div class="course-browser__menu"><span class="course-browser__menu-item course-browser__address"><span class="course-browser__menu-item-inner">Console</span></span><button class="js--autorun course-browser__menu-item course-browser__menu-button course-browser__menu-button--text-with-icon course-browser__menu-button--autorun course-browser__menu-button--autorun-on" title="Autorun" type="button"><span class="course-browser__menu-item-inner"><svg aria-hidden="true"><use xlink:href="/img/sprites/courses.svg#icon-autorun"></use></svg>
Autorun
</span></button><button class="course-browser__menu-item course-browser__menu-button course-browser__menu-button--expand" type="button"><svg xmlns="http://www.w3.org/2000/svg" width="11" height="11" viewBox="0 0 11 11"><path d="M1.375 5.125v4.5h4.5m3.75-3.75v-4.5h-4.5" fill="none" fill-rule="evenodd" stroke="currentColor"></path></svg></button></div><div class="course-browser__notification js--browser-change-heading hidden"><p class="course-browser__notification-text">The code has changed, click “Run” or turn autorun on.</p><button class="course-browser__notification-button course-browser__notification-button--play js--close" type="button"><svg aria-hidden="true"><use xlink:href="/img/sprites/courses.svg#icon-play"></use></svg>
Run</button></div><div class="course-browser__content"><div class="console js--console"><h2 class="sr-only">Result</h2><div class="console__content js--console__content"></div></div></div><div class="course-goals js--goals"><div class="course-goals__heading"><span class="course-goals__heading-title"><span class="course-goals__count-label">Goals</span><span class="course-goals__count">completed</span></span><button class="course-goals__button course-goals__button--expand js--goals__expand" type="button"><svg aria-hidden="true"><use xlink:href="/img/sprites/courses.svg#icon-collapse"></use></svg></button><a class="course-goals__button course-goals__button--next button button--green button--without-border hidden" href="/courses/javascript-programming/loops/all-modes-3" title="Printing driver: pages in reverse order"><svg aria-hidden="true"><use xlink:href="/img/sprites/courses.svg#arrow-white--mini"></use></svg></a></div><div class="course-goals__content"><p>Let’s add the printing mode for all pages of the document.</p><ol class="course-goals__list"><li class="course-goals__list-item">At the end of the program, add a check that compares <code>mode</code> with the value of <code>'document'</code><span class="mark">.</span></li><li class="course-goals__list-item">Inside this check, add a loop that increases the value of <code>page</code> valuable from <code>1</code> to <code>totalPages</code> inclusively.</li><li class="course-goals__list-item">Inside the loop, add the print command for the current page <code>page</code><span class="mark">.</span></li><li class="course-goals__list-item">Change the value of the <code>mode</code> variable to <code>'document'</code><span class="mark">.</span></li></ol></div></div></div></div></article></div><div class="course-interface__overlay course-interface__overlay--active"></div></main><script
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