# programming **URL:** https://forum.kirupa.com/c/programming/41.md?page=43 [Latest](https://forum.kirupa.com/latest.md) · [Categories](https://forum.kirupa.com/categories.md) **Page:** 44 --- ## [JS Tip of the Day: When the constructor Property Matters](https://forum.kirupa.com/t/js-tip-of-the-day-when-the-constructor-property-matters/643115)
**Author:** [@senocular](https://forum.kirupa.com/u/senocular)\ **Replies:** 0\ **Last updated:** [April 21, 2020, 12:06pm UTC](https://forum.kirupa.com/t/js-tip-of-the-day-when-the-constructor-property-matters/643115 "2020-04-21T12:06:46Z")
--- ## [JS Tip of the Day: Variable Shadowing](https://forum.kirupa.com/t/js-tip-of-the-day-variable-shadowing/643116)
**Author:** [@senocular](https://forum.kirupa.com/u/senocular)\ **Replies:** 0\ **Last updated:** [April 20, 2020, 1:45pm UTC](https://forum.kirupa.com/t/js-tip-of-the-day-variable-shadowing/643116 "2020-04-20T13:45:27Z")
--- ## [Javascript Custom Data Types](https://forum.kirupa.com/t/javascript-custom-data-types/642512)
**Author:** [@dannywolf](https://forum.kirupa.com/u/dannywolf)\ **Replies:** 2\ **Last updated:** [April 19, 2020, 11:16pm UTC](https://forum.kirupa.com/t/javascript-custom-data-types/642512 "2020-04-19T23:16:13Z")
Back in the days of Borland’s Turbo Pascal, in what now seems like the Jurassic Period of programming, it was possible to create custom data types which behaved the way programmers wanted. For example, along with the co… --- ## [JS Tip of the Day: Yield Many With yield\*](https://forum.kirupa.com/t/js-tip-of-the-day-yield-many-with-yield/643117)
**Author:** [@senocular](https://forum.kirupa.com/u/senocular)\ **Replies:** 0\ **Last updated:** [April 19, 2020, 2:39pm UTC](https://forum.kirupa.com/t/js-tip-of-the-day-yield-many-with-yield/643117 "2020-04-19T14:39:11Z")
--- ## [JS Tip of the Day: Proxy Objects](https://forum.kirupa.com/t/js-tip-of-the-day-proxy-objects/643118)
**Author:** [@senocular](https://forum.kirupa.com/u/senocular)\ **Replies:** 0\ **Last updated:** [April 18, 2020, 1:28pm UTC](https://forum.kirupa.com/t/js-tip-of-the-day-proxy-objects/643118 "2020-04-18T13:28:53Z")
--- ## [JS Tip of the Day: Entering Fullscreen](https://forum.kirupa.com/t/js-tip-of-the-day-entering-fullscreen/643119)
**Author:** [@senocular](https://forum.kirupa.com/u/senocular)\ **Replies:** 0\ **Last updated:** [April 17, 2020, 11:55am UTC](https://forum.kirupa.com/t/js-tip-of-the-day-entering-fullscreen/643119 "2020-04-17T11:55:27Z")
--- ## [JS Tip of the Day: Static Members Are Inherited](https://forum.kirupa.com/t/js-tip-of-the-day-static-members-are-inherited/643120)
**Author:** [@senocular](https://forum.kirupa.com/u/senocular)\ **Replies:** 0\ **Last updated:** [April 16, 2020, 1:51pm UTC](https://forum.kirupa.com/t/js-tip-of-the-day-static-members-are-inherited/643120 "2020-04-16T13:51:52Z")
--- ## [Does Learning TypeScript Today Make Sense?](https://forum.kirupa.com/t/does-learning-typescript-today-make-sense/642449)
**Author:** [@kirupa](https://forum.kirupa.com/u/kirupa)\ **Replies:** 0\ **Last updated:** [April 16, 2020, 5:45am UTC](https://forum.kirupa.com/t/does-learning-typescript-today-make-sense/642449 "2020-04-16T05:45:28Z")
This is a companion discussion topic for the original entry at https://www.kirupa.com/hodgepodge/learning\_typescript.htm --- ## [Creating a Simple ASP.NET Application](https://forum.kirupa.com/t/creating-a-simple-asp-net-application/642430)
**Author:** [@kirupa](https://forum.kirupa.com/u/kirupa)\ **Replies:** 0\ **Last updated:** [April 14, 2020, 7:03am UTC](https://forum.kirupa.com/t/creating-a-simple-asp-net-application/642430 "2020-04-14T07:03:35Z")
Already, you are on the last page. You typed in some code, drew a label component, and setup your project in the previous pages. In this, the last page, you will test your application in the b… --- ## [JS Tip of the Day: Symbol.species](https://forum.kirupa.com/t/js-tip-of-the-day-symbol-species/643121)
**Author:** [@senocular](https://forum.kirupa.com/u/senocular)\ **Replies:** 0\ **Last updated:** [April 15, 2020, 1:33pm UTC](https://forum.kirupa.com/t/js-tip-of-the-day-symbol-species/643121 "2020-04-15T13:33:40Z")
--- ## [JS Tip of the Day: Stylish Logs](https://forum.kirupa.com/t/js-tip-of-the-day-stylish-logs/643122)
**Author:** [@senocular](https://forum.kirupa.com/u/senocular)\ **Replies:** 0\ **Last updated:** [April 14, 2020, 11:12am UTC](https://forum.kirupa.com/t/js-tip-of-the-day-stylish-logs/643122 "2020-04-14T11:12:58Z")
--- ## [JS Tip of the Day: The Deal With Prototypes](https://forum.kirupa.com/t/js-tip-of-the-day-the-deal-with-prototypes/643123)
**Author:** [@senocular](https://forum.kirupa.com/u/senocular)\ **Replies:** 0\ **Last updated:** [April 13, 2020, 12:54pm UTC](https://forum.kirupa.com/t/js-tip-of-the-day-the-deal-with-prototypes/643123 "2020-04-13T12:54:38Z")
--- ## [JS Tip of the Day: Setting HTML Element Styles](https://forum.kirupa.com/t/js-tip-of-the-day-setting-html-element-styles/643124)
**Author:** [@senocular](https://forum.kirupa.com/u/senocular)\ **Replies:** 0\ **Last updated:** [April 12, 2020, 12:16pm UTC](https://forum.kirupa.com/t/js-tip-of-the-day-setting-html-element-styles/643124 "2020-04-12T12:16:31Z")
Setting HTML Element Styles Level: Beginner In JavaScript, you can set css styles for an element using its style property. This mirrors the style attribute in HTML but with a couple of important differences. First, t… --- ## [JS Tip of the Day: Detect Errors Early With Linting](https://forum.kirupa.com/t/js-tip-of-the-day-detect-errors-early-with-linting/643125)
**Author:** [@senocular](https://forum.kirupa.com/u/senocular)\ **Replies:** 0\ **Last updated:** [April 11, 2020, 11:23am UTC](https://forum.kirupa.com/t/js-tip-of-the-day-detect-errors-early-with-linting/643125 "2020-04-11T11:23:51Z")
--- ## [JS Tip of the Day: Interacting With Generators](https://forum.kirupa.com/t/js-tip-of-the-day-interacting-with-generators/643126)
**Author:** [@senocular](https://forum.kirupa.com/u/senocular)\ **Replies:** 0\ **Last updated:** [April 10, 2020, 12:28pm UTC](https://forum.kirupa.com/t/js-tip-of-the-day-interacting-with-generators/643126 "2020-04-10T12:28:28Z")
--- ## [JS Tip of the Day: Using Destructuring to Swap Values](https://forum.kirupa.com/t/js-tip-of-the-day-using-destructuring-to-swap-values/643127)
**Author:** [@senocular](https://forum.kirupa.com/u/senocular)\ **Replies:** 0\ **Last updated:** [April 9, 2020, 1:06pm UTC](https://forum.kirupa.com/t/js-tip-of-the-day-using-destructuring-to-swap-values/643127 "2020-04-09T13:06:50Z")
--- ## [JS Tip of the Day: Easily Toggle HTML Classes](https://forum.kirupa.com/t/js-tip-of-the-day-easily-toggle-html-classes/643128)
**Author:** [@senocular](https://forum.kirupa.com/u/senocular)\ **Replies:** 0\ **Last updated:** [April 8, 2020, 12:19pm UTC](https://forum.kirupa.com/t/js-tip-of-the-day-easily-toggle-html-classes/643128 "2020-04-08T12:19:19Z")
--- ## [JS Tip of the Day: The Iterator Protocol](https://forum.kirupa.com/t/js-tip-of-the-day-the-iterator-protocol/643129)
**Author:** [@senocular](https://forum.kirupa.com/u/senocular)\ **Replies:** 0\ **Last updated:** [April 7, 2020, 1:12pm UTC](https://forum.kirupa.com/t/js-tip-of-the-day-the-iterator-protocol/643129 "2020-04-07T13:12:49Z")
--- ## [JS Tip of the Day: What Uses enumerable?](https://forum.kirupa.com/t/js-tip-of-the-day-what-uses-enumerable/643130)
**Author:** [@senocular](https://forum.kirupa.com/u/senocular)\ **Replies:** 0\ **Last updated:** [April 6, 2020, 3:09pm UTC](https://forum.kirupa.com/t/js-tip-of-the-day-what-uses-enumerable/643130 "2020-04-06T15:09:17Z")
--- ## [How to add numbering/numbers to book content/child pages in drupal 8](https://forum.kirupa.com/t/how-to-add-numbering-numbers-to-book-content-child-pages-in-drupal-8/642353)
**Author:** [@Raj\_K](https://forum.kirupa.com/u/Raj_K)\ **Replies:** 0\ **Last updated:** [April 6, 2020, 6:07am UTC](https://forum.kirupa.com/t/how-to-add-numbering-numbers-to-book-content-child-pages-in-drupal-8/642353 "2020-04-06T06:07:14Z")
How to add numbering/numbers to book content/child pages for books in Drupal 8. For example see the below image: And I want to add numbering to below screenshot (book view) as like above. Thanks in advance for answ… --- ## [JS Tip of the Day: Constructors Don’t Need Parens](https://forum.kirupa.com/t/js-tip-of-the-day-constructors-don-t-need-parens/643131)
**Author:** [@senocular](https://forum.kirupa.com/u/senocular)\ **Replies:** 0\ **Last updated:** [April 5, 2020, 12:36pm UTC](https://forum.kirupa.com/t/js-tip-of-the-day-constructors-don-t-need-parens/643131 "2020-04-05T12:36:36Z")
--- ## [JS Tip of the Day: Live DOM Lists](https://forum.kirupa.com/t/js-tip-of-the-day-live-dom-lists/643132)
**Author:** [@senocular](https://forum.kirupa.com/u/senocular)\ **Replies:** 0\ **Last updated:** [April 4, 2020, 2:20pm UTC](https://forum.kirupa.com/t/js-tip-of-the-day-live-dom-lists/643132 "2020-04-04T14:20:58Z")
--- ## [JS Tip of the Day: Define vs. Assign](https://forum.kirupa.com/t/js-tip-of-the-day-define-vs-assign/643133)
**Author:** [@senocular](https://forum.kirupa.com/u/senocular)\ **Replies:** 0\ **Last updated:** [April 3, 2020, 5:12pm UTC](https://forum.kirupa.com/t/js-tip-of-the-day-define-vs-assign/643133 "2020-04-03T17:12:18Z")
--- ## [JS Tip of the Day: Default Parameters with Destructuring](https://forum.kirupa.com/t/js-tip-of-the-day-default-parameters-with-destructuring/643134)
**Author:** [@senocular](https://forum.kirupa.com/u/senocular)\ **Replies:** 0\ **Last updated:** [April 2, 2020, 12:37pm UTC](https://forum.kirupa.com/t/js-tip-of-the-day-default-parameters-with-destructuring/643134 "2020-04-02T12:37:42Z")
--- ## [When Primitives Behave Like Objects](https://forum.kirupa.com/t/when-primitives-behave-like-objects/633679)
**Author:** [@kirupa](https://forum.kirupa.com/u/kirupa)\ **Replies:** 1\ **Last updated:** [April 2, 2020, 4:03am UTC](https://forum.kirupa.com/t/when-primitives-behave-like-objects/633679 "2020-04-02T04:03:42Z")
This is a companion discussion topic for the original entry at http://www.kirupa.com/html5//when\_primitives\_behave\_like\_objects.htm --- ## [JS Tip of the Day: Chaining](https://forum.kirupa.com/t/js-tip-of-the-day-chaining/643135)
**Author:** [@senocular](https://forum.kirupa.com/u/senocular)\ **Replies:** 0\ **Last updated:** [April 1, 2020, 12:55pm UTC](https://forum.kirupa.com/t/js-tip-of-the-day-chaining/643135 "2020-04-01T12:55:50Z")
--- ## [using\_redux\_with\_react](https://forum.kirupa.com/t/using-redux-with-react/642274)
**Author:** [@cmrts](https://forum.kirupa.com/u/cmrts)\ **Replies:** 2\ **Last updated:** [April 1, 2020, 12:54pm UTC](https://forum.kirupa.com/t/using-redux-with-react/642274 "2020-04-01T12:54:00Z")
Hello. I am very new to react so apologies if this is trivial. I have been through the online tutorial in this site, and also did so from the amazon book, and I am stuck in the “using redux in react” tutorial in https:… --- ## [Ensuring our Canvas Visuals Look Good on Retina/High-DPI Screens](https://forum.kirupa.com/t/ensuring-our-canvas-visuals-look-good-on-retina-high-dpi-screens/641514)
**Author:** [@kirupa](https://forum.kirupa.com/u/kirupa)\ **Replies:** 4\ **Last updated:** [April 1, 2020, 5:58am UTC](https://forum.kirupa.com/t/ensuring-our-canvas-visuals-look-good-on-retina-high-dpi-screens/641514 "2020-04-01T05:58:47Z")
This is a companion discussion topic for the original entry at https://www.kirupa.com/canvas/canvas\_high\_dpi\_retina.htm --- ## [Mouseover event over multiple elements flickers](https://forum.kirupa.com/t/mouseover-event-over-multiple-elements-flickers/642275)
**Author:** [@TheOne\_TheMany](https://forum.kirupa.com/u/TheOne_TheMany)\ **Replies:** 4\ **Last updated:** [April 1, 2020, 3:44am UTC](https://forum.kirupa.com/t/mouseover-event-over-multiple-elements-flickers/642275 "2020-04-01T03:44:28Z")
I’m stuck creating code that’s lean and want to use only JavaScript for now. http://jsfiddle.net/TheOne\_TheMany/30zdkrys The problem I’m having is the mouseover state, when it goes over the \ it works, but flickers … --- ## [JS Tip of the Day: Finding Elements in the DOM](https://forum.kirupa.com/t/js-tip-of-the-day-finding-elements-in-the-dom/643136)
**Author:** [@senocular](https://forum.kirupa.com/u/senocular)\ **Replies:** 2\ **Last updated:** [March 31, 2020, 6:56pm UTC](https://forum.kirupa.com/t/js-tip-of-the-day-finding-elements-in-the-dom/643136 "2020-03-31T18:56:43Z")
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