Which of the following statements about HubL and JavaScript is TRUE?

HubL can be used in both the HTML + HubL and the JS sections of the module editor.

HubL tags contain a “post_js_rendering” attribute so that you can pass JS data to HubL in modules.

Module builders can choose between JavaScript and HubL to add module fields to their markup.

JS written in the HTML + HubL section of the module editor will be repeated on a page for every instance of a module unless it is wrapped in a require_js statement.


Choose an option to see if it’s correct. Check the explanation below.

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Explanation: Which of the following statements about HubL and JavaScript is TRUE?


Explanation: The correct statement is **JS written in the HTML + HubL section of the module editor will be repeated on a page for every instance of a module unless it is wrapped in a require_js statement**. This statement accurately reflects the behavior of JavaScript (JS) written within the HTML + HubL section of the module editor in the HubSpot CMS. When JS code is included directly within this section, it becomes part of the module's template markup. As a result, the JS code is replicated and executed for every instance of the module that appears on a page. This behavior can lead to inefficiencies and potential conflicts if the same JS code is repeated multiple times across a page containing numerous instances of the same module. To mitigate this issue and ensure optimal performance, developers can wrap the JS code in a `require_js` statement. The `require_js` statement instructs the HubSpot CMS to load the JS code only once, regardless of the number of module instances present on a page, thereby preventing unnecessary duplication and improving page load times. By utilizing the `require_js` statement strategically, developers can optimize the performance and maintainability of their HubSpot CMS modules, ensuring that JS code is executed efficiently without unnecessary repetition. Therefore, the selected answer accurately identifies a crucial aspect of managing JS code within HubSpot CMS modules and highlights best practices for optimizing code efficiency and performance.
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