{"id":22587,"date":"2022-12-10T16:24:22","date_gmt":"2022-12-10T15:24:22","guid":{"rendered":"https:\/\/nelkodev.com\/blog\/esperar-en-javascript-una-guia-completa\/"},"modified":"2025-09-21T21:00:18","modified_gmt":"2025-09-21T20:00:18","slug":"esperar-en-javascript-una-guia-completa","status":"publish","type":"post","link":"https:\/\/nelkodev.com\/en\/blog\/wait-in-javascript-a-complete-guide\/","title":{"rendered":"Waiting in JavaScript: A Complete Guide"},"content":{"rendered":"<p>JavaScript is a programming language widely used in web development. One of the common tasks in application development is timeout management. In this article, we&#039;ll explore various techniques for waiting in JavaScript and how to leverage them in your projects.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_80 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #ffffff;color:#ffffff\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #ffffff;color:#ffffff\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/nelkodev.com\/en\/blog\/wait-in-javascript-a-complete-guide\/#%C2%BFComo_esperar_en_JavaScript\" >How to wait in JavaScript?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/nelkodev.com\/en\/blog\/wait-in-javascript-a-complete-guide\/#Retardar_la_ejecucion_con_setTimeout\" >Delay execution with setTimeout<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/nelkodev.com\/en\/blog\/wait-in-javascript-a-complete-guide\/#Esperar_por_una_condicion_con_setInterval\" >Wait for a condition with setInterval<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/nelkodev.com\/en\/blog\/wait-in-javascript-a-complete-guide\/#Preguntas_frecuentes\" >Frequently asked questions<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/nelkodev.com\/en\/blog\/wait-in-javascript-a-complete-guide\/#%C2%BFCual_es_la_diferencia_entre_setTimeout_y_setInterval\" >What is the difference between setTimeout and setInterval?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/nelkodev.com\/en\/blog\/wait-in-javascript-a-complete-guide\/#%C2%BFComo_puedo_cancelar_un_tiempo_de_espera\" >How can I cancel a timeout?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/nelkodev.com\/en\/blog\/wait-in-javascript-a-complete-guide\/#%C2%BFEn_que_casos_debo_esperar_en_JavaScript\" >In what cases should I wait in JavaScript?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"%C2%BFComo_esperar_en_JavaScript\"><\/span>How to wait in JavaScript?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>There are several ways to wait in JavaScript, depending on the context and specific needs of your application. Below are some of the most common techniques.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Retardar_la_ejecucion_con_setTimeout\"><\/span>Delay execution with setTimeout<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The function <code>setTimeout<\/code> It is used to delay the execution of a function or a piece of code for a specified period of time in milliseconds. You can use it to enter a wait time before a task is carried out.<\/p>\n<p>For example, if you want to delay the execution of a function called <code>myFunction<\/code> for 3 seconds, you can do it as follows:<\/p>\n<p><code>setTimeout(myFunction, 3000);<\/code><\/p>\n<p>In this case, the function <code>myFunction<\/code> will be executed after 3 seconds.<\/p>\n<p>It&#039;s important to put attention on <code>setTimeout<\/code> it doesn&#039;t block code execution, so the rest of your application can continue running while it waits.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Esperar_por_una_condicion_con_setInterval\"><\/span>Wait for a condition with setInterval<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The function <code>setInterval<\/code> is similar to <code>setTimeout<\/code>, but it is used to repeatedly execute a function or a piece of code in a specific time interval in milliseconds.<\/p>\n<p>You can use <code>setInterval<\/code> to wait for a condition until it is met. For example:<\/p>\n<p><code>var interval = setInterval(function() {<br \/>\n    if (condition) {<br \/>\n        clearInterval(interval);<br \/>\n        myFunction();<br \/>\n    }<br \/>\n}, 1000);<\/code><\/p>\n<p>In this case, the function will be executed every second until the condition is true. Once the condition is met, the interval is stopped and executed <code>myFunction<\/code>.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Preguntas_frecuentes\"><\/span>Frequently asked questions<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"%C2%BFCual_es_la_diferencia_entre_setTimeout_y_setInterval\"><\/span>What is the difference between setTimeout and setInterval?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The main difference between <code>setTimeout<\/code> y <code>setInterval<\/code> It lies in how they behave in terms of code execution. <code>setTimeout<\/code> is executed only once after the specified time period, while <code>setInterval<\/code> repeats continuously until explicitly stopped.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%C2%BFComo_puedo_cancelar_un_tiempo_de_espera\"><\/span>How can I cancel a timeout?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>You can cancel a timeout using the function <code>clearTimeout<\/code> for <code>setTimeout<\/code> o <code>clearInterval<\/code> for <code>setInterval<\/code>. Both functions take as argument the identifier returned by the original function.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%C2%BFEn_que_casos_debo_esperar_en_JavaScript\"><\/span>In what cases should I wait in JavaScript?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>There are several situations where waiting may be necessary in JavaScript, such as asynchronous content loading, form validation, and task synchronization.<\/p>\n<p>Waiting in JavaScript is an efficient way to control wait times and ensure the correct execution of tasks in your application.<\/p>\n<p>For more information and practical examples on how to wait in JavaScript, we recommend checking out the official MDN documentation.<\/p>","protected":false},"excerpt":{"rendered":"<p>JavaScript es un lenguaje de programaci\u00f3n ampliamente utilizado en el desarrollo web. Una de las tareas comunes en el desarrollo de aplicaciones es la gesti\u00f3n de tiempos de espera. En este art\u00edculo, exploraremos diversas t\u00e9cnicas para esperar en JavaScript y c\u00f3mo aprovecharlas en tus proyectos. \u00bfC\u00f3mo esperar en JavaScript? Hay varias formas de esperar en [&hellip;]<\/p>","protected":false},"author":0,"featured_media":22588,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[420],"tags":[],"class_list":["post-22587","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/nelkodev.com\/en\/wp-json\/wp\/v2\/posts\/22587","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nelkodev.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nelkodev.com\/en\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/nelkodev.com\/en\/wp-json\/wp\/v2\/comments?post=22587"}],"version-history":[{"count":0,"href":"https:\/\/nelkodev.com\/en\/wp-json\/wp\/v2\/posts\/22587\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nelkodev.com\/en\/wp-json\/wp\/v2\/media\/22588"}],"wp:attachment":[{"href":"https:\/\/nelkodev.com\/en\/wp-json\/wp\/v2\/media?parent=22587"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nelkodev.com\/en\/wp-json\/wp\/v2\/categories?post=22587"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nelkodev.com\/en\/wp-json\/wp\/v2\/tags?post=22587"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}