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Tag: javascript

Image file size from data URI in JavaScript

I am not sure it’s even possible but – can I get the image file size from data URI? For example, let’s say there is an IMG element where src goes: Based on the src, can I get the image file size by using plain JavaScript? (without server request) Answer If you want file size, simply decode y…

How do I return data as a Key & Value pair from MySQL

I’m trying to return a JSON object with a Key,Value pair, both of which are seperate columns in my MySQL table. So the MySQL table Looks (simplified 1000%) like this: And I want a JSON object like I could build it up as a string in MySQL by looping through the table and concat everything together, then …

How to read form values in controller?

I am beginner in Angular 2 and I am trying get a value of textbox in component and I really don’t know how to get it. HTML : component.ts : here I am getting empty value in the console. Please help in this regard Answer Add formControlName to input Now access the value by name

accessing vuex store in js file

Just like in main.js, I’m trying to access my store from a helper function file: But it logs an error: Uncaught TypeError: Cannot read property ‘getters’ of undefined. I have tried Same result. store: How do I make my store available outside of components? Answer The following worked for me:

Unable to import/export vuejs components

I have a folder like this. Classic and Modern are simple components with template, export default {} and a style. I am calling both inside index.js as: So, when I import this module as: I get this error Unknown custom element: – did you register the component correctly? For recursive components, make su…

Npm module “” not found. Is it installed?

This is strange. Using this tutorial: https://ntdln.com/2017/07/25/using-javascript-modules/ I tried to do get the modules thing in JS. I run npm istall grunt-browserify –save-dev along with the other packages. My package.json file is So the packages are there. I tried removing my nodemodules folder and…