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Javascript / May 22, 2022 / Leave a comment

Overwrite a line in a file using node.js

Issue What’s the best way to overwrite a line in a large (2MB+) text file using node.js? My current method…

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Javascript / May 22, 2022 / Leave a comment

ES6 imports for JWT

Issue I’m making a nodeJS web app and I’m using JWT for authentication. All my work is in ES6 modules…

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Javascript / May 22, 2022 / Leave a comment

Why appear undefined in the end of for-loop in JavaScript when I try to prints out layers of stars?

Issue I try to write a function called "stars" which prints out layers of stars in the following pattern: stars(1);…

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Javascript / May 22, 2022 / Leave a comment

is const variable in javascript function initialized every time when it called or just once?

Issue I’d like to code something like this. function cokeDispencer(id) { const dict = {1:"sprite", 2:"pepcy", …} // Some JSON….

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Javascript / May 22, 2022 / Leave a comment

Order in Promise/Async/Await (Interview Question)

Issue Question: new Promise((resolve) => { console.log(1) resolve() }).then(async () => { console.log(2) }).then(async () => { console.log(3) }) new…

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Javascript / May 22, 2022 / Leave a comment

How to add a value between a dom element?

Issue This is my element: <var mathquill-command-id="56"></var> I want to add something between like this: <var mathquill-command-id="56">HERE</var> This is my…

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Javascript / May 22, 2022 / Leave a comment

How do I organize an Array of objects according to the sum of its attributes?

Issue I’m developing the backEnd part for a selling app in which I have 2 Array of Objects, one got…

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Javascript / May 22, 2022 / Leave a comment

Div does not follow the mouse

Issue In the following code, I hope my div will follow my mouse in red background but it does not,…

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Javascript / May 22, 2022 / Leave a comment

How to merge objects with the same properties into an Array?

Issue I would like to merge 2 objects with the same properties into an Array. Take this for an example:…

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Javascript / May 22, 2022 / Leave a comment

Call react component function from javascript

Issue I have one question because I’m not sure if that possible. I have ReactJS project that included some javascript…

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