JavaScript
var usersByDay = [4, 2, 1, 3];
console.log(usersByDay);
var currentIndex = 0;
var minValue = usersByDay[currentIndex];
for (var j = currentIndex + 1; j <= usersByDay.length - 1; j++) {
if (usersByDay[j] < minValue) {
minValue = usersByDay[j];
}
}
console.log('Minimum element: ' + minValue);
Thanks! We’ll fix everything at once!
Result
- Inside the condition after the variable minValue, save the value usersByDay[currentIndex] to variable swap. Write the remaining code inside the condition.
- On the next line in usersByDay[currentIndex], write down the minimum value.
- Then write value of variable swap in usersByDay[j].
- On the next line, log in the console: 'Swapping ' + swap + ' and ' + minValue.
- Below, log in the console: 'Current array: ' + usersByDay.
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Little Muffin and Big Data</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-programming/arrays/average-value">2. Average value</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-programming/arrays/analizer-almost-ready">3. Finishing the traffic analyzer</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-programming/arrays/new-datum">4. New data</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-programming/arrays/massive-data">5. A lot of data? An array!</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-programming/arrays/read-from-array">6. Reading from an array using index</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-programming/arrays/variable-as-index">7. Variable as index</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-programming/arrays/array-length">8. Array length</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-programming/arrays/loop-through-array">9. Let’s hit arrays with loops!</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-programming/arrays/sum-in-loop">10. Summation in the loop</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-programming/arrays/average-with-array">11. Finishing refactoring</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-programming/arrays/one-little-investigation">12. One small analytical investigation</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-programming/arrays/write-by-index">13. Writing to an array by index</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-programming/arrays/investigation-completed">14. The murderer is a butler!</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-programming/arrays/summary-1">15. Summary of “Arrays”. Part 1</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-programming/arrays/cipher-beginner">16. Fifth program: Beginner decryptor</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-programming/arrays/vague-suspicions">17. Vague suspicions</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-programming/arrays/swap-elements">18. Swapping the elements</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-programming/arrays/minimum-element">19. Looking for the minimum element</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-programming/arrays/minimum-elemen-found">20. 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2.79-6.835-.084.354 2.613.43 4.138-1.208 1.078-1.125.446-2-.186-3.375-1.71-3.552-4.585-6.323-7.384-8.918-.716-.69-1.44-2.428-2.706-2-.995.353-.93 3.2-.716 4.073 1.09 7.448 4.065 18.263 4.065 18.263zm37.372-.78c-1.704-1.826-2.822-4.12-3.208-6.585 0 .354-2.614.354-4.056-1.29-.995-1.127-.362-1.86.363-3.117 1.86-3.198 4.863-5.718 7.746-8.136.81-.604 1.627-1.47 2.79-.93.994.428.715 2.334.548 3.115-1.083 5.72-2.48 11.376-4.183 16.943z" fill="#FFF"/><path d="M53.564 20.422c-1.98.51-4.138 1.636-5.105 3.487-.43-2.196 1.645-4.65 3.393-5.832.333-.21.312-.703-.037-.886-.162-.085-.357-.076-.512.022-2.157 1.562-4.417 4.5-3.784 7.188.076.262.354.41.614.325l-.075.28c-.085.603.93.864.994.26.446-2.158 2.706-3.376 4.77-3.897.372-.076.522-.526.27-.81-.133-.15-.342-.204-.53-.138zM17.457 18.06c-.55-.354-.995.428-.55.865 1.433 1.004 3.182 3.05 3.395 4.956-.93-1.86-3.05-2.975-5.105-3.486-.386-.005-.633.41-.445.747.042.076.103.14.176.184 2.073.52 4.324 1.73 4.77 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">Starting sorting</h1><div class="course-theory__content-text"><p>We learned how to find the minimum value. Why not take another step.</p><p>Now let’s not just calculate the minimum value after the first element, but write this value into the place of the first element. To do this, you need to add a little to the algorithm:</p><ol><li class="text-mute">Add variable <code>minValue</code> to store the minimum value.</li><li class="text-mute">Suppose that the first element is the minimum one. Therefore, let’s store the value of the first element in <code>minValue</code> before the loop.</li><li class="text-mute">At each iteration of the loop, we compare the current element with <code>minValue</code> value.</li><li>If the current element is less than <code>minValue</code>, write it into <code>minValue</code> and then swap the value of the first element and of the current one.</li></ol><p>After the loop is completed, the element with the minimum value will appear in the first position of the array. All other elements will be larger.</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 usersByDay = [4, 2, 1, 3];
console.log(usersByDay);
var currentIndex = 0;
var minValue = usersByDay[currentIndex];
for (var j = currentIndex + 1; j <= usersByDay.length - 1; j++) {
if (usersByDay[j] < minValue) {
minValue = usersByDay[j];
}
}
console.log('Minimum element: ' + minValue);
</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/arrays/start-sorting/signal" class="course-unhappy__form form"><input type="hidden" name="csrf_name" value="csrf69aea698123f1"><input type="hidden" name="csrf_value" value="f3955faf66c5a8b3049974416f3262bb"><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>
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</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/arrays/continue-sorting" title="Continue sorting"><svg aria-hidden="true"><use xlink:href="/img/sprites/courses.svg#arrow-white--mini"></use></svg></a></div><div class="course-goals__content"><ol class="course-goals__list"><li class="course-goals__list-item">Inside the condition after the variable <code>minValue</code>, save the value <code>usersByDay[currentIndex]</code> to variable <code>swap</code>. Write the remaining code inside the condition.</li><li class="course-goals__list-item">On the next line in <code>usersByDay[currentIndex]</code>, write down the minimum value.</li><li class="course-goals__list-item">Then write value of variable <code>swap</code> in <code>usersByDay[j]</code><span class="mark">.</span></li><li class="course-goals__list-item">On the next line, log in the console: <code>'Swapping ' + swap + ' and ' + minValue</code><span class="mark">.</span></li><li class="course-goals__list-item">Below, log in the console: <code>'Current array: ' + usersByDay</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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