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The onscroll event handler</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-basics/scrolling-and-operators/pageyoffset-property">2. The pageYOffset property</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-basics/scrolling-and-operators/show-button">3. Show the “Up” button</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-basics/scrolling-and-operators/scrollto-method">4. The scrollTo method</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-basics/scrolling-and-operators/scroll-page-onclick">5. Scroll page on click</a></li><li class="main-nav__course-contents-item main-nav__course-contents-item--current"><a href="/courses/javascript-basics/scrolling-and-operators/finish-button">6. Finish working on the “Up” button</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-basics/scrolling-and-operators/start-filtering">7. Start filtering on the site</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-basics/scrolling-and-operators/strict-equality-operator">8. Strict equality operator</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-basics/scrolling-and-operators/onchange-event-handler">9. The onchange event handler</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-basics/scrolling-and-operators/add-class">10. Add a class to news story from the selected category</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-basics/scrolling-and-operators/strict-inequality-operator">11. Strict inequality operator</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-basics/scrolling-and-operators/showing-news">12. Showing news from a selected category</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-basics/scrolling-and-operators/logical-operator-and">13. The logical operator AND</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-basics/scrolling-and-operators/summary">14. Summary of “Scrolling and operators”</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-basics/scrolling-and-operators/rate-site">15. 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