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If I change a variable’s value will the original value still exist inside the memory?


let a = 7; a = 3; console.log(a); // output 3 In this case, the value 7 is still inside a memory? I was reading that all primitive data types are immutable.

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Add Tooltip over a button


I’m trying to create a button which copies into clipboard content from variable using TypeScript and Material-UI. I tried this: const [copySuccess, setCopySuccess] = useState(”); const …

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Boolean Currying Javascript


I am trying to write a boolean currying function in javascript. let s = “ajkjxa”; function isPresent(a) { return function (b) { if (b) { return isPresent(s.includes(b) && s….

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Cypress, look for multiple parameters like ID and Class


I was wondering if it’s possible to search by multiple parameters in cypress, for example ID and Class it(‘find button’,function(){ cy.get(‘#button_id, .button-class’).click() }) is this …

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Copy Images instead of Moving them | InDesign Javascript


I have written an InDesign javascript script that moves me all images (respectively the frames of the images) into a new layer “Webbilder” created by the script (if not existing). How can I …

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How to test if Workbox precaching is working


My question is very similar to this question. I’m wondering how I can verify in Google Chrome whether the service worker of my progressive web app is serving precached files from the cache instead of …

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Is there a way to have different colored text inside a textarea?


I have an HTML Textarea, which contains a custom-made live editable JSON file where you can see the results of the edits in real-time. I also have something that can cycle through the entries in a &…

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How do I make this JavaScript compatible with “use strict”?


window.onload = function() { init(); var date = new Date(); var dd = date.getDate(); var mm = date.getMonth() + 1; var yyyy = date.getFullYear(); //Add a zero if one Digit (eg: 05,09) …

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react native useState is not incrementing counter


When counter is >= data Array length setLoading should trigger. But counter is not being incrementing until I refresh app by pressing CTRL+S then counter increment itself by 1 every time app …

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p5.js: Let the computer draw something


I would like to let the computer draw something. It should look like a human is drawing something on a paper, with random values. This is my try: function setup() { createCanvas(500, 500); …