FAQs Archives https://openjavascript.info/category/faqs/ Learn the language of the web. Thu, 28 Dec 2023 11:43:44 +0000 en-US hourly 1 https://wordpress.org/?v=6.4.2 https://openjavascript.info/wp-content/uploads/2023/12/cropped-android-chrome-192x192-1-32x32.png FAQs Archives https://openjavascript.info/category/faqs/ 32 32 Get CSS Styles Applied to an Element in JavaScript https://openjavascript.info/2023/12/28/get-css-styles-applied-to-an-element-in-javascript/ https://openjavascript.info/2023/12/28/get-css-styles-applied-to-an-element-in-javascript/#respond Thu, 28 Dec 2023 11:39:48 +0000 https://openjavascript.info/?p=7078 How to query the CSS values of a HTML element with JavaScript.

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]]> https://openjavascript.info/2023/12/28/get-css-styles-applied-to-an-element-in-javascript/feed/ 0 How to Play Audio in JavaScript https://openjavascript.info/2023/12/15/how-to-play-audio-in-javascript/ https://openjavascript.info/2023/12/15/how-to-play-audio-in-javascript/#respond Fri, 15 Dec 2023 14:38:04 +0000 https://openjavascript.info/?p=7062 Load, play, pause audio and create a playlist.

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]]> https://openjavascript.info/2023/12/15/how-to-play-audio-in-javascript/feed/ 0 Move array item to the beginning of its array in JavaScript https://openjavascript.info/2023/12/12/move-array-item-to-the-beginning-of-the-array-in-javascript/ https://openjavascript.info/2023/12/12/move-array-item-to-the-beginning-of-the-array-in-javascript/#respond Tue, 12 Dec 2023 15:38:22 +0000 https://openjavascript.info/?p=7056 Learn how without mutating the original array and in a reusable function.

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]]> https://openjavascript.info/2023/12/12/move-array-item-to-the-beginning-of-the-array-in-javascript/feed/ 0 Get the first and last date and day the current month in JavaScript https://openjavascript.info/2023/12/12/get-the-first-and-last-date-and-day-the-current-month-in-javascript/ https://openjavascript.info/2023/12/12/get-the-first-and-last-date-and-day-the-current-month-in-javascript/#respond Tue, 12 Dec 2023 12:06:40 +0000 https://openjavascript.info/?p=7053 A native JavaScript solution using the native Date object.

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]]> https://openjavascript.info/2023/12/12/get-the-first-and-last-date-and-day-the-current-month-in-javascript/feed/ 0 How to create a function that accepts an unknown number of arguments in JavaScript https://openjavascript.info/2023/12/12/how-to-create-a-function-that-accepts-an-unknown-number-of-arguments-in-javascript/ https://openjavascript.info/2023/12/12/how-to-create-a-function-that-accepts-an-unknown-number-of-arguments-in-javascript/#respond Tue, 12 Dec 2023 09:08:49 +0000 https://openjavascript.info/?p=7049 Avoid specifying manually the number of arguments that a function will accept.

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]]> https://openjavascript.info/2023/12/12/how-to-create-a-function-that-accepts-an-unknown-number-of-arguments-in-javascript/feed/ 0 Extract files from a zip file in JavaScript using JSZip https://openjavascript.info/2023/11/27/extract-files-from-a-zip-file-in-javascript-using-jszip/ https://openjavascript.info/2023/11/27/extract-files-from-a-zip-file-in-javascript-using-jszip/#respond Mon, 27 Nov 2023 13:29:56 +0000 https://openjavascript.info/?p=7027 Code examples include getting file data from a user-selected zip file and a fetched zip file.

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]]> https://openjavascript.info/2023/11/27/extract-files-from-a-zip-file-in-javascript-using-jszip/feed/ 0 Check if an object is empty in JavaScript https://openjavascript.info/2023/11/27/check-if-an-object-is-empty-in-javascript/ https://openjavascript.info/2023/11/27/check-if-an-object-is-empty-in-javascript/#respond Mon, 27 Nov 2023 07:40:48 +0000 https://openjavascript.info/?p=7020 How to check if a JavaScript object is empty despite the absence of a length property.

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]]> https://openjavascript.info/2023/11/27/check-if-an-object-is-empty-in-javascript/feed/ 0 Get the current index in a JavaScript for…of loop https://openjavascript.info/2023/11/15/get-the-current-index-in-a-javascript-for-of-loop/ https://openjavascript.info/2023/11/15/get-the-current-index-in-a-javascript-for-of-loop/#respond Wed, 15 Nov 2023 09:51:16 +0000 https://openjavascript.info/?p=7007 How to extract the current index using entries() and array destructuring syntax.

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]]> https://openjavascript.info/2023/11/15/get-the-current-index-in-a-javascript-for-of-loop/feed/ 0 Load CSS with JavaScript and wait for it to load https://openjavascript.info/2023/11/14/load-css-with-javascript-and-wait-for-it-to-load/ https://openjavascript.info/2023/11/14/load-css-with-javascript-and-wait-for-it-to-load/#respond Tue, 14 Nov 2023 19:53:19 +0000 https://openjavascript.info/?p=6991 You can use JavaScript to only load stylesheets that are necessary to page load.

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]]> https://openjavascript.info/2023/11/14/load-css-with-javascript-and-wait-for-it-to-load/feed/ 0 Zip and compress files in JavaScript https://openjavascript.info/2023/11/14/zip-and-compress-files-in-javascript/ https://openjavascript.info/2023/11/14/zip-and-compress-files-in-javascript/#respond Tue, 14 Nov 2023 16:39:49 +0000 https://openjavascript.info/?p=6978 Multiple files can be stored and compressed in a zip file using JSZip.

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