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<title>Programming &amp; Software Q&amp;A | CollectiveSolver - Recent questions tagged javascript</title>
<link>https://collectivesolver.com/tag/javascript</link>
<description>Powered by Question2Answer</description>
<item>
<title>How to enforce immutability to prevent the modification of values in JavaScript</title>
<link>https://collectivesolver.com/98321/how-to-enforce-immutability-to-prevent-the-modification-of-values-in-javascript</link>
<description></description>
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<pubDate>Tue, 09 Jun 2026 14:38:08 +0000</pubDate>
</item>
<item>
<title>How to convert between mm, cm, meters, kilometers, miles, feet, yards, and inches in JavaScript</title>
<link>https://collectivesolver.com/98255/how-to-convert-between-mm-cm-meters-kilometers-miles-feet-yards-and-inches-in-javascript</link>
<description></description>
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<pubDate>Sun, 07 Jun 2026 16:33:17 +0000</pubDate>
</item>
<item>
<title>How to find A and B where A and B are prime numbers and A * B = 12349 in JavaScript</title>
<link>https://collectivesolver.com/98182/how-to-find-a-and-b-where-a-and-b-are-prime-numbers-and-a-b-12349-in-javascript</link>
<description></description>
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<pubDate>Sat, 06 Jun 2026 05:20:38 +0000</pubDate>
</item>
<item>
<title>How to use higher-order functions in JavaScript</title>
<link>https://collectivesolver.com/98106/how-to-use-higher-order-functions-in-javascript</link>
<description></description>
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<pubDate>Wed, 03 Jun 2026 16:27:26 +0000</pubDate>
</item>
<item>
<title>How to use closure in JavaScript</title>
<link>https://collectivesolver.com/98067/how-to-use-closure-in-javascript</link>
<description></description>
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<pubDate>Tue, 02 Jun 2026 15:33:15 +0000</pubDate>
</item>
<item>
<title>How to use an anonymous function in JavaScript</title>
<link>https://collectivesolver.com/98037/how-to-use-an-anonymous-function-in-javascript</link>
<description></description>
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<pubDate>Tue, 02 Jun 2026 07:49:17 +0000</pubDate>
</item>
<item>
<title>How to remove parentheses and the text inside them from a string in JavaScript</title>
<link>https://collectivesolver.com/98002/how-to-remove-parentheses-and-the-text-inside-them-from-a-string-in-javascript</link>
<description></description>
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<pubDate>Mon, 01 Jun 2026 08:03:18 +0000</pubDate>
</item>
<item>
<title>How to find the day of the week on any given date in JavaScript</title>
<link>https://collectivesolver.com/97970/how-to-find-the-day-of-the-week-on-any-given-date-in-javascript</link>
<description></description>
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<pubDate>Sun, 31 May 2026 08:26:17 +0000</pubDate>
</item>
<item>
<title>How to convert only the date without time to a string in JavaScript</title>
<link>https://collectivesolver.com/97938/how-to-convert-only-the-date-without-time-to-a-string-in-javascript</link>
<description></description>
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<pubDate>Sat, 30 May 2026 09:28:26 +0000</pubDate>
</item>
<item>
<title>How to calculate % change from X to Y in JavaScript</title>
<link>https://collectivesolver.com/97885/how-to-calculate-%25-change-from-x-to-y-in-javascript</link>
<description></description>
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<pubDate>Fri, 29 May 2026 14:21:36 +0000</pubDate>
</item>
<item>
<title>How to calculate the number of days until Christmas from today in JavaScript</title>
<link>https://collectivesolver.com/97845/how-to-calculate-the-number-of-days-until-christmas-from-today-in-javascript</link>
<description></description>
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<pubDate>Thu, 28 May 2026 18:18:22 +0000</pubDate>
</item>
<item>
<title>How to print every month in a specified year that contains five full weekends (Fri, Sat, Sun) in JavaScript</title>
<link>https://collectivesolver.com/97764/how-to-print-every-month-in-a-specified-year-that-contains-five-full-weekends-fri-sat-sun-in-javascript</link>
<description></description>
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<pubDate>Tue, 26 May 2026 15:33:14 +0000</pubDate>
</item>
<item>
<title>How to implement matrix multiplication in JavaScript</title>
<link>https://collectivesolver.com/97694/how-to-implement-matrix-multiplication-in-javascript</link>
<description></description>
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<pubDate>Mon, 25 May 2026 07:51:30 +0000</pubDate>
</item>
<item>
<title>How to find the dates of the last Sunday of each month of a given year in JavaScript</title>
<link>https://collectivesolver.com/97672/how-to-find-the-dates-of-the-last-sunday-of-each-month-of-a-given-year-in-javascript</link>
<description></description>
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<pubDate>Sun, 24 May 2026 08:02:52 +0000</pubDate>
</item>
<item>
<title>How to find the dates of the last Fridays of each month of a given year in JavaScript</title>
<link>https://collectivesolver.com/97640/how-to-find-the-dates-of-the-last-fridays-of-each-month-of-a-given-year-in-javascript</link>
<description></description>
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<pubDate>Sat, 23 May 2026 09:25:04 +0000</pubDate>
</item>
<item>
<title>How to find keyword matching between multiple text blocks in JavaScript</title>
<link>https://collectivesolver.com/97595/how-to-find-keyword-matching-between-multiple-text-blocks-in-javascript</link>
<description></description>
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<pubDate>Fri, 22 May 2026 09:05:23 +0000</pubDate>
</item>
<item>
<title>How to format a date using different formats in JavaScript</title>
<link>https://collectivesolver.com/97530/how-to-format-a-date-using-different-formats-in-javascript</link>
<description></description>
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<pubDate>Wed, 20 May 2026 15:32:59 +0000</pubDate>
</item>
<item>
<title>How to convert seconds into weeks, days, hours, minutes, and seconds in JavaScript</title>
<link>https://collectivesolver.com/97496/how-to-convert-seconds-into-weeks-days-hours-minutes-and-seconds-in-javascript</link>
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<pubDate>Wed, 20 May 2026 06:13:24 +0000</pubDate>
</item>
<item>
<title>How to sort a list of files by name, extension, dates, and size in JavaScript</title>
<link>https://collectivesolver.com/97447/how-to-sort-a-list-of-files-by-name-extension-dates-and-size-in-javascript</link>
<description></description>
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<pubDate>Sun, 17 May 2026 09:21:14 +0000</pubDate>
</item>
<item>
<title>How to create a list of random file names, including extension, dates, and file size in JavaScript</title>
<link>https://collectivesolver.com/97416/how-to-create-a-list-of-random-file-names-including-extension-dates-and-file-size-in-javascript</link>
<description></description>
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<pubDate>Sat, 16 May 2026 08:41:36 +0000</pubDate>
</item>
<item>
<title>How to create a list of random dates in JavaScript</title>
<link>https://collectivesolver.com/97383/how-to-create-a-list-of-random-dates-in-javascript</link>
<description></description>
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<pubDate>Fri, 15 May 2026 18:37:20 +0000</pubDate>
</item>
<item>
<title>How to compress and decompress repeated string characters by storing the repeated length (RLE) in JavaScript</title>
<link>https://collectivesolver.com/97334/how-to-compress-and-decompress-repeated-string-characters-by-storing-the-repeated-length-rle-in-javascript</link>
<description></description>
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<pubDate>Thu, 14 May 2026 07:49:11 +0000</pubDate>
</item>
<item>
<title>How to calculate the 100th term of the sequence 8, 64, 80, 136, 152 in JavaScript</title>
<link>https://collectivesolver.com/97275/how-to-calculate-the-100th-term-of-the-sequence-8-64-80-136-152-in-javascript</link>
<description></description>
<guid isPermaLink="true">https://collectivesolver.com/97275/how-to-calculate-the-100th-term-of-the-sequence-8-64-80-136-152-in-javascript</guid>
<pubDate>Tue, 12 May 2026 07:28:52 +0000</pubDate>
</item>
<item>
<title>How to convert an array of multi‑digit numbers to a number in JavaScript</title>
<link>https://collectivesolver.com/97236/how-to-convert-an-array-of-multi-digit-numbers-to-a-number-in-javascript</link>
<description></description>
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<pubDate>Mon, 11 May 2026 09:46:33 +0000</pubDate>
</item>
<item>
<title>How to get accurate ticks from a timer (high‑resolution timer) in JavaScript</title>
<link>https://collectivesolver.com/97157/how-to-get-accurate-ticks-from-a-timer-high-resolution-timer-in-javascript</link>
<description></description>
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<pubDate>Sat, 09 May 2026 09:06:25 +0000</pubDate>
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<item>
<title>How to create a sorted unique list from a matrix in JavaScript</title>
<link>https://collectivesolver.com/97084/how-to-create-a-sorted-unique-list-from-a-matrix-in-javascript</link>
<description></description>
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<pubDate>Thu, 07 May 2026 07:49:14 +0000</pubDate>
</item>
<item>
<title>How to create a common sorted unique array from 3 integer arrays in JavaScript</title>
<link>https://collectivesolver.com/97052/how-to-create-a-common-sorted-unique-array-from-3-integer-arrays-in-javascript</link>
<description></description>
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<pubDate>Wed, 06 May 2026 09:11:58 +0000</pubDate>
</item>
<item>
<title>How to convert an integer into its written‑out English words in JavaScript</title>
<link>https://collectivesolver.com/97012/how-to-convert-an-integer-into-its-written-out-english-words-in-javascript</link>
<description></description>
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<pubDate>Tue, 05 May 2026 08:38:29 +0000</pubDate>
</item>
<item>
<title>How to calculate all the less than 500 additive prime numbers in JavaScript</title>
<link>https://collectivesolver.com/96980/how-to-calculate-all-the-less-than-500-additive-prime-numbers-in-javascript</link>
<description></description>
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<pubDate>Mon, 04 May 2026 15:30:53 +0000</pubDate>
</item>
<item>
<title>How to define a terabyte constant in JavaScript</title>
<link>https://collectivesolver.com/96948/how-to-define-a-terabyte-constant-in-javascript</link>
<description></description>
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<pubDate>Sun, 03 May 2026 13:44:32 +0000</pubDate>
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<item>
<title>How to define an exabyte constant in JavaScript</title>
<link>https://collectivesolver.com/96918/how-to-define-an-exabyte-constant-in-javascript</link>
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<pubDate>Sun, 03 May 2026 09:05:02 +0000</pubDate>
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<item>
<title>How to define a petabyte constant in JavaScript</title>
<link>https://collectivesolver.com/96886/how-to-define-a-petabyte-constant-in-javascript</link>
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<pubDate>Sun, 03 May 2026 05:46:12 +0000</pubDate>
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<item>
<title>How to hash a string with SHA-256 in JavaScript</title>
<link>https://collectivesolver.com/96829/how-to-hash-a-string-with-sha-256-in-javascript</link>
<description></description>
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<pubDate>Fri, 01 May 2026 17:04:03 +0000</pubDate>
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<item>
<title>How to use math functions and constants in JavaScript</title>
<link>https://collectivesolver.com/96769/how-to-use-math-functions-and-constants-in-javascript</link>
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<pubDate>Thu, 30 Apr 2026 14:33:38 +0000</pubDate>
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<item>
<title>How to create a function with an optional parameter in JavaScript</title>
<link>https://collectivesolver.com/96699/how-to-create-a-function-with-an-optional-parameter-in-javascript</link>
<description></description>
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<pubDate>Wed, 29 Apr 2026 09:37:55 +0000</pubDate>
</item>
<item>
<title>How to decode Leet Speak (where numbers resemble letters (7-&gt;T, 1-&gt;I, 5-&gt;S, 3 -&gt; E)) in JavaScript</title>
<link>https://collectivesolver.com/96624/how-to-decode-leet-speak-where-numbers-resemble-letters-7-t-1-i-5-s-3-e-in-javascript</link>
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<pubDate>Mon, 27 Apr 2026 14:09:22 +0000</pubDate>
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<item>
<title>How to reconstruct a full sparse matrix from a compact (triplet) matrix in JavaScript</title>
<link>https://collectivesolver.com/96583/how-to-reconstruct-a-full-sparse-matrix-from-a-compact-triplet-matrix-in-javascript</link>
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<pubDate>Sun, 26 Apr 2026 15:24:22 +0000</pubDate>
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<title>How to express a decimal number as a fixed-length string with leading zeros in JavaScript</title>
<link>https://collectivesolver.com/96557/how-to-express-a-decimal-number-as-a-fixed-length-string-with-leading-zeros-in-javascript</link>
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<pubDate>Sun, 26 Apr 2026 09:35:43 +0000</pubDate>
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<item>
<title>How to create an enumeration of constants with and without explicit values in JavaScript</title>
<link>https://collectivesolver.com/96528/how-to-create-an-enumeration-of-constants-with-and-without-explicit-values-in-javascript</link>
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<pubDate>Sat, 25 Apr 2026 18:11:16 +0000</pubDate>
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<title>How to compact a sparse matrix in JavaScript</title>
<link>https://collectivesolver.com/96476/how-to-compact-a-sparse-matrix-in-javascript</link>
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<pubDate>Fri, 24 Apr 2026 08:44:23 +0000</pubDate>
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<title>How to search for a word in a grid of characters with JavaScript</title>
<link>https://collectivesolver.com/96438/how-to-search-for-a-word-in-a-grid-of-characters-with-javascript</link>
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<pubDate>Thu, 23 Apr 2026 07:48:10 +0000</pubDate>
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<title>How to localize date format in JavaScript</title>
<link>https://collectivesolver.com/96322/how-to-localize-date-format-in-javascript</link>
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<pubDate>Sun, 19 Apr 2026 14:08:40 +0000</pubDate>
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<title>How to get the number of days needed to wait after a day (a[i]) gets warmer given an array of temperatures in JavaScript</title>
<link>https://collectivesolver.com/96273/how-to-get-the-number-of-days-needed-to-wait-after-a-day-a-i-gets-warmer-given-an-array-of-temperatures-in-javascript</link>
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<pubDate>Sat, 18 Apr 2026 09:37:52 +0000</pubDate>
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<title>How to check if a string is title case in JavaScript</title>
<link>https://collectivesolver.com/96232/how-to-check-if-a-string-is-title-case-in-javascript</link>
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<pubDate>Fri, 17 Apr 2026 14:21:43 +0000</pubDate>
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<title>How to copy a string in JavaScript</title>
<link>https://collectivesolver.com/96147/how-to-copy-a-string-in-javascript</link>
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<pubDate>Thu, 16 Apr 2026 16:43:46 +0000</pubDate>
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<title>How to represent the Boolean &quot;true&quot; and &quot;false&quot; in JavaScript</title>
<link>https://collectivesolver.com/96025/how-to-represent-the-boolean-true-and-false-in-javascript</link>
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<pubDate>Tue, 14 Apr 2026 16:02:20 +0000</pubDate>
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<title>How to print all possible permutations (all possible orderings) of the words in JavaScript</title>
<link>https://collectivesolver.com/95991/how-to-print-all-possible-permutations-all-possible-orderings-of-the-words-in-javascript</link>
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<pubDate>Tue, 14 Apr 2026 09:03:47 +0000</pubDate>
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<title>How to calculate relative past time from a given date &amp; time (e.g., 3 hours ago, 5 days ago, a month ago) in JavaScript</title>
<link>https://collectivesolver.com/95964/how-to-calculate-relative-past-time-from-a-given-date-%26-time-e-g-3-hours-ago-5-days-ago-a-month-ago-in-javascript</link>
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<pubDate>Mon, 13 Apr 2026 14:45:50 +0000</pubDate>
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<title>How to add a new interval into a sorted array of non‑overlapping intervals in JavaScript</title>
<link>https://collectivesolver.com/95816/how-to-add-a-new-interval-into-a-sorted-array-of-non-overlapping-intervals-in-javascript</link>
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<pubDate>Thu, 09 Apr 2026 13:59:37 +0000</pubDate>
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<title>How to print text diagonally from left to right recursively in JavaScript</title>
<link>https://collectivesolver.com/95776/how-to-print-text-diagonally-from-left-to-right-recursively-in-javascript</link>
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<pubDate>Wed, 08 Apr 2026 16:32:08 +0000</pubDate>
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