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mastering-js/masteringjs.io
Fundamentals button refreshes page instead of opening detailed docs panel

Description: Clicking the Fundamentals button refreshes the page instead of opening the detailed docs panel (same behavior as the title link). Expected: Button should open the detailed panel without page ...
  • helloAmulya
  • Opened 
    on Aug 15, 2025
  • #343

mastering-js/masteringjs.io
tool linked from mongoose docs is broken (masteringjs.io/tutorials/tools/callback-to-async-await)

hitting run shows: Server Error Command findOneAndUpdate failed with the following errors: [{ message : Document size limitation violated: number of elements an indexable Array (field recentRequests ) ...
  • busterbogheart
  • Opened 
    on Jul 23, 2025
  • #342

mastering-js/masteringjs.io
About Chinese translation

I found Mastering JS last year. I liked the articles very much. So I translated them into Chinese while reading, and put them on my personal blog. Of course, I attached the original links and copyright ...
  • kaifeiji
  • Opened 
    on Jul 25, 2023
  • #334

mastering-js/masteringjs.io
More Chart Tutorials gets painted above the charts

on this page, the More Chart Tutorials list overlaps the chart. I think it s because the #chart-wrapper css that gets added from the two-y-axes.md file breaks the flow. but I m not entirely sure. I ...
  • ghost
  • Opened 
    on Apr 16, 2022
  • #280

mastering-js/masteringjs.io
Note to Self

Creating a separate app for each page, only one needs to be the createApp and the rest are just components. Look up real quick how to implement that functionality. Need a page to be the root so I can ...
  • IslandRhythms
  • Opened 
    on Apr 12, 2021
  • #171

mastering-js/masteringjs.io
Add notes about Vue SFC to CSS loader tutorial

https://masteringjs.io/tutorials/webpack/css-loader
  • vkarpov15
  • Opened 
    on Mar 1, 2021
  • #156

mastering-js/masteringjs.io
[typo] page 8 section 2-1

A Query is class representing an operation that Mongoose will send to MongoDB A query is a class
  • lorenzofox3
  • 1
  • Opened 
    on Jan 14, 2021
  • #137

mastering-js/masteringjs.io
add "append to middle with spread" to array append tutorial

See https://masteringjs.io/tutorials/fundamentals/array-append
  • vkarpov15
  • Opened 
    on Oct 26, 2020
  • #118

mastering-js/masteringjs.io
Add `forEach()` array length hack to foreach-break tutorial

const myNums = [1,2,3,4,5,6] myNums.forEach((val, index, arr) = { console.log(val) if (val === 3) arr.length = index + 1 // break! } https://www.reddit.com/r/learnjavascript/comments/j5lc77/how_to_break_out_of_a_javascript_foreach_loop/g7t1ko6/?context=3 ...
  • vkarpov15
  • Opened 
    on Oct 7, 2020
  • #117

mastering-js/masteringjs.io
Semantic error in "Understand the JavaScript Array Filter Function in 5 Examples"

In the 3rd Example ( Removing a Value), the condition would need to be character !== deadpool, to remove this character from the object. At the moment, everything else is removed and only this character ...
  • simonaltrogge
  • Opened 
    on Aug 12, 2020
  • #97
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