So the backend (not under my control) requires a query string like this: But axios uses a JS object to send the request params: And obviously an object can’t have multiple fields with the same key. How can I send a request with multiple fields with the same key? Answer From the Request Config section of…
Tag: javascript
Prevent Fabric js Objects from scaling out of the canvas boundary
I have been trying to keep an object (constructed in fabric js over a canvas) inside the boundaries at all the times. It has been achieved at moving and rotating it. I took help from Move object within canvas boundary limit for achieving this. But when I start to scale the object, it simply keeps on going out…
Alternative version for Object.values()
I’m looking for an alternative version for the Object.values() function. As described here the function is not supported in Internet Explorer. When executing the following example code: It works in both, Firefox and Chrome, but throws the following error in IE11: Object doesn’t support property or…
mouseover map region to display image and mouseout to hide
I’ve an Europe map. When i mouse-over Italy region, i wish to display the map image and disappear when mouse-out. However, i cant make it works perfectly. Below is the HTML Here’s my code http://codepen.io/w3nta1/pen/JWrmaz Answer Changed the answer. After tinkering a bit I realized that the probl…
ES6 import happening before .env import
Trying to use an environment variable from my dotenv file crashes my app because it seems the dotenv file is not loaded on time. crashes with error The API key is there, so it seems that sparkpost.js is instantiating new SparkPost() before the dotenv file gets loaded. How do I work around this? Answer Javascr…
Uncaught SyntaxError: Unexpected token import in reactjs app
I have a react app and Im trying to create a dynamic form using react-jsonschema-form, I have the below index.js file below is the .babelrc file and I’ve the webpack config like below package.json once I run the app I’m getting console error Uncaught SyntaxError: Unexpected token import in reactjs…
webpack dynamic module loader by require
OK, i have searched high and low but cannot reliably deterrmine if this is or is not possible with webpack. https://github.com/webpack/webpack/tree/master/examples/require.context Appears to indicate that one can pass a string to a function and it load a module… But my attempt is just not working: webpa…
React Navigation – cannot read property ‘navigate’ of undefined
I’ve been trying to get up and running with react navigation but I run into a problem when I try to move navigation items into their own components. HomeScreen.js Then in the NavButton component I try to navigate to the new screen. But I keep getting the error “Cannot read property ‘navigate…
Chartjs Bar Chart showing old data when hovering
I have a bar chart that’s created using chart.js. Everything works fine on page load, but when I change the time frame using a daterangepicker, a glitch appears. The new data is brought in, but when I hover over it, the old data is shown. I’m new to javascript so I’m hoping to get some help.…
Avoiding circular dependencies with Node require()?
I’m having a problem where I have an Electron app, we’ll say contained in files index.html and app.js. app.js is included in index.html with a script tag. Within app.js, I use var ENGINE = require(“./myGameEngine/”); which then requires different classes, each in their own file. It loo…