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Tag: javascript

Correctly Overlay DC.JS (D3) canvas elements

It seems that there’s somethings specific to canvas implementation of DC.JS’s scatter plot, that when resizing the window, the canvas element doesn’t respect the positioning of the axis. due to the movement of the title pre-window resize with canvas without canvas It seems likely this is cau…

HTML & JavaScript – can’t unmute html5 video

I got a very annoying problem. I try for a few hours to unmute an HTML5 video with a ‘muted’ flag, but all that I try doesn’t work. Sadly, that doesn’t work, and removing the muted prop from the code makes nothing, the video stays muted. Is there any solution to force a unmute from the…

Object.entries() time complexity

Does anyone know the complexity of Object.entries() in Javascript? Based on this question I’d guess at maybe O(n) as well if it’s implemented by obtaining the keys and values as arrays then zipping them together? Answer (V8 developer here.) Short answer: yes, the complexity of Object.entries() is …

How to transform one dataset into another recursively?

Given the following data, which I obtain from an api and which is occasionally modified I need to transform it to the following The criterion is that when the dir property of an object is true, obtain the name and assign it to the label property, of the children in the childItem property, obtain the values of…

array of arrays in js function

I was doing some tasks with this function, but for some reason it does not return values as I think it should. function intersection(arrays) { return arrays; } console.log(intersection([5, 10, 15, …