I have an array of an object like this What I need is sum the property Val when prop is foo. So, I have to search through elements and get all objects where prop is foo. With this objects, I should sum the val property. I tried to use many combinations of _.find, _.pick and so on, but I don’t
Tag: javascript
Find words from array in string, whole words only (with hebrew characters)
I have to build a RegExp obejct, that will search words from an array, and will find only whole words match. e.g. I have a words array (‘יל’,’ילד’), and I want the RegExp to find ‘a’ or ‘יל’ or ‘ילד’, but not ‘ילדד’. This is my code: What…
iOS 10 Safari: Prevent scrolling behind a fixed overlay and maintain scroll position
I’m not able to prevent the main body content from scrolling while a fixed position overlay is showing. Similar questions have been asked many times, but all of the techniques that previously worked do not seem to work on Safari in iOS 10. This seems like a recent issue. Some notes: I can disable scroll…
How to Play Audio File Into Channel?
How do you play an audio file from a Discord bot? Needs to play a local file, be in JS, and upon a certain message being sent it will join the user who typed the message, and will play the file to that channel. Answer GitHub Project: LINK In order to do this there are a few things you have
Using moment to format time in relation to now
I’m trying to display a date like “a few seconds ago”, “10 minutes ago”, “a day ago” with momentjs in the browser. date returns “in 14 minutes” NOT “14 minutes ago”. How can I fix this? Answer Because you would have been comparing it in that wa…
How to use ReactJS in Laravel
I am new to ReactJS and I am looking for a way to integrate it in Laravel. Is there any way that I can use React components within laravel views or it should be done only by using API as separate projects. Answer Use Laravel to provide the base view, but then after that all the views would be handled
Accessing data parsed by readline & fs in node.js outside of the callback function
This question is different from the one linked as already having an answer. It is specifically this piece of code adapted from node.js documentation regarding the use of fs and readfile and looking for an end of file flag, which I’ve learned is readfile.close method. Thanks for the answer. I wrote a sma…
Use vanilla javascript to add / remove class to a different element after clicking on another one
I have looked through a number of similar questions but can not find a specific example of one that answers in vanilla JS how to add and remove a class to a different element from the one clicked on. I know it has something to do with setting up a loop and iterating through the elements, but I got lost
.getAttribute() method on elements returned by querySelectorAll()
I’m trying to get the value of data attributes from multiple div elements. The elements are captured into a variable using querySelectorAll() I’m getting an error when I loop through the variable that contains the element and use the getAttribute() Method: js: Jsfiddle https://jsfiddle.net/kshatri…
How to convert node readable stream to RX observable
If I have a Node js stream, say for example from something like process.stdin or from fs.createReadStream, how can I convert this to be an RxJs Observable stream using RxJs5? I see that RxJs-Node has a fromReadableStream method, but that looks like it hasn’t been updated in close to a year. Answer For a…