{"id":15336,"date":"2023-07-25T09:00:00","date_gmt":"2023-07-25T00:00:00","guid":{"rendered":"https:\/\/www.autooffice.co.kr\/blog\/2023\/07\/25\/understanding-variables-in-apps-script-2\/"},"modified":"2025-09-15T18:17:02","modified_gmt":"2025-09-15T09:17:02","slug":"understanding-variables-in-apps-script-2","status":"publish","type":"post","link":"https:\/\/www.autooffice.co.kr\/en\/blog\/2023\/07\/25\/understanding-variables-in-apps-script-2\/","title":{"rendered":"Declare with const"},"content":{"rendered":"<p>This post is a corrected post after AI explains the code included in the book <a title=\"\" href=\"https:\/\/www.autooffice.io\/content\/ebizbooks-apps-script\" target=\"_blank\" rel=\"noopener\">&#8220;Google Apps Script 101: Building Work Automation For Free&#8221;<\/a>. Added a <s>strikethrough<\/s> when editing what AI has written, and added <span style=\"color: #ff3366;\">color<\/span> when edited by author<\/p>\n<h2>Table of Contents<\/h2>\n<ul>\n<li><a href=\"#summary\">Summary<\/a><\/li>\n<li><a href=\"#code\">Code<\/a><\/li>\n<li><a href=\"#code-explanation\">Code Explanation<\/a><\/li>\n<li><a href=\"#example\">Example<\/a><\/li>\n<li><a href=\"#ai-prompt\">AI Prompt<\/a><\/li>\n<\/ul>\n<h2 id=\"summary\">Summary<\/h2>\n<p><s>In this blog post, we will explore how variables work in Apps Script. We will look at an example code snippet and understand how the value of a variable can be assigned and logged.<\/s><\/p>\n<p><span style=\"color: #ff3366;\">In this post, we will discuss whether declaring as const allows values to be reassigned.<\/span><\/p>\n<h2 id=\"code\">Code<\/h2>\n<pre><code>\nfunction variables3(){\n  const value = 1\n  Logger.log(value)\n\n  value = 2\n  Logger.log(value)\n}\n  <\/code><\/pre>\n<h2 id=\"code-explanation\">Code Explanation<\/h2>\n<p>The code snippet defines a function named <code>variables3<\/code>. Inside the function, a constant variable named <code>value<\/code> is declared and assigned a value of <code>1<\/code>. The <code>Logger.log()<\/code> method is then used to log the value of the variable.<\/p>\n<p>Next, an attempt is made to reassign the value of the <code>value<\/code> variable to <code>2<\/code>. However, since the variable is declared as <code>const<\/code>, which means it is immutable, an error will be thrown when trying to assign a new value.<\/p>\n<h2 id=\"example\">Example<\/h2>\n<p>Let&#8217;s consider a scenario where you want to store a constant value that should not be changed throughout the execution of your script. In such cases, you can use the <code>const<\/code> keyword to declare a variable and assign a value to it. This ensures that the value remains constant and cannot be modified accidentally.<\/p>\n<h2 id=\"ai-prompt\">AI Prompt<\/h2>\n<p>Write a function named <code>variables3<\/code> that declares a constant variable named <code>value<\/code> and assigns it a value of <code>1<\/code>. Log the value of the variable using the <code>Logger.log()<\/code> method. Then, attempt to reassign a new value of <code>2<\/code> to the <code>value<\/code> variable and log the new value.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In this post, we will discuss whether declaring as const allows values to be reassigned.<\/p>\n","protected":false},"author":1,"featured_media":15353,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[5,118],"tags":[512,69,520,7],"class_list":["post-15336","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-spreadsheet","category-apps-script","tag-ai-assisted","tag-script","tag-const","tag-spreadsheet"],"translation":{"provider":"WPGlobus","version":"3.0.2","language":"en","enabled_languages":["ko","en"],"languages":{"ko":{"title":true,"content":true,"excerpt":true},"en":{"title":true,"content":true,"excerpt":true}}},"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.autooffice.co.kr\/en\/wp-json\/wp\/v2\/posts\/15336","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.autooffice.co.kr\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.autooffice.co.kr\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.autooffice.co.kr\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.autooffice.co.kr\/en\/wp-json\/wp\/v2\/comments?post=15336"}],"version-history":[{"count":3,"href":"https:\/\/www.autooffice.co.kr\/en\/wp-json\/wp\/v2\/posts\/15336\/revisions"}],"predecessor-version":[{"id":17208,"href":"https:\/\/www.autooffice.co.kr\/en\/wp-json\/wp\/v2\/posts\/15336\/revisions\/17208"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.autooffice.co.kr\/en\/wp-json\/wp\/v2\/media\/15353"}],"wp:attachment":[{"href":"https:\/\/www.autooffice.co.kr\/en\/wp-json\/wp\/v2\/media?parent=15336"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.autooffice.co.kr\/en\/wp-json\/wp\/v2\/categories?post=15336"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.autooffice.co.kr\/en\/wp-json\/wp\/v2\/tags?post=15336"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}