What should you do if there are two values of different types, and you do not want to rely on the default cast? Use can cast “by hand”.
For example, you can cast a numeric value to a string type. One way is to use the number.toString() command. For example:
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Simple fork</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-programming/conditions/if-else">2. Let’s use an alternative</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-programming/conditions/simple-compare">3. Simple comparisons</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-programming/conditions/or-equal">4. Comparisons permitting equality</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-programming/conditions/equality">5. Equality, inequality</a></li><li class="main-nav__course-contents-item main-nav__course-contents-item--current"><a href="/courses/javascript-programming/conditions/string-compare">6. Strict string comparison</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-programming/conditions/numeric-compare">7. Strict number comparison</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-programming/conditions/then-action">8. Condition-based actions</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-programming/conditions/else-action">9. If the condition is not fulfilled</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-programming/conditions/value-condition">10. Values as a condition</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-programming/conditions/nested-if">11. Nested conditions</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-programming/conditions/and-or">12. Logical operators: &&, ||</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-programming/conditions/negation">13. Logic traps</a></li><li class="main-nav__course-contents-item"><a href="/courses/javascript-programming/conditions/nesting-deeper">14. 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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">Strict string comparison</h1><div class="course-theory__content-text"><p>What should you do if there are two values of different types, and you do not want to rely on the default cast? Use can cast “by hand”.</p><p>For example, you can cast a numeric value to a string type. One way is to use the <code>number.toString()</code> command. For example:</p><pre><code>var number = 1;
// Logs number: 1 (number)
console.log(number);
// Logs string: "1" (string)
console.log(number.toString());</code></pre></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 string = '123';
var number = 123;
if (string == number) {
console.log('The comparison is working!');
} else {
console.log('I cannot compare');
}
</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/conditions/string-compare/signal" class="course-unhappy__form form"><input type="hidden" name="csrf_name" value="csrf69aea71fcfa1b"><input type="hidden" name="csrf_value" value="6992f4ef73918b166b9a9702ae4dab2a"><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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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/conditions/numeric-compare" title="Strict number comparison"><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 give the second value to the string type.</p><ol class="course-goals__list"><li class="course-goals__list-item">Replace <code>==</code> with <code>===</code> in the condition. The cast will stop working and the condition will not be met.</li><li class="course-goals__list-item">Replace <code>number</code> in the condition with <code>number.toString()</code>. The condition should start working.</li></ol></div></div></div></div></article></div><div class="course-interface__overlay course-interface__overlay--active"></div></main><script
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