Simple example: Produces 2017-12-31T23:00:00.000Z where I’m at (GMT+1). I am creating dates from string values in the following format: These come from weather data at ftp://ftp.ncdc.noaa.gov/pub/data/uscrn/products/subhourly01/2017/. Now I tried to workaround the timeout issue by adding one to hours, e…
Tag: javascript
axios is not defined in vue js cli
I installed axios using the npm install axios command this is my package.json dependencies I registered the axios in my main.js file. When I tried to use axios in one of my components I get this error: How to fix this? Answer Vue.use means adding plugins. However, axios is not a plugin for Vue, so you can not…
Converting from a Uint8Array to a string and back
I’m having an issue converting from a particular Uint8Array to a string and back. I’m working in the browser and in Chrome which natively supports the TextEncoder/TextDecoder modules. If I start with a simple case, everything seems to work well: const uintArray = new TextEncoder().encode(‘si…
JavaScript: Looping through an array of objects and filtering specific properties/attributes
I’m trying to loop through an array and return just the addresses and the number of packages and then having the total number of packages in the array added up. Problem is, when I write this all in codepen.io, it tells me that each name attribute is having an unexpected identifier error. I know I’…
Uncaught TypeError: Cannot read property ‘length’ of null when retrieving tags from wp
I am trying to use jquery autocomplete to retrieve tags from wordpress db First I set a function in wp: Then i create a js: And finally my input: But as soon as I start typing I get: Uncaught TypeError: Cannot read property ‘length’ of null and at a.(EXAMPLE PATH/anonymous function).(anonymous fun…
Hide nav bar on scroll down and show it on scroll up
I’m using this wordpress theme http://newnotio.fuelthemes.net/space/ and I’d like the nav bar to be hidden on scroll down and to be visible on scroll up (instead of always visible). Can you help me to achieve this? Edit 15/07: I’ve managed to add a class to the header php script of the theme…
Add field separately to firestore document
The following code creates a firestore collection and adds data to it: I want to create another function which adds a field to the document at a different time. I have the following function but am getting the error “TypeError: collectionRef.update is not a function” Answer Build a DocumentReferen…
Map default value
I’m looking for something like default value for Map. Now the result is Undefined but I want to get empty array []. Answer First of all to answer the question regarding the standard Map: Javascript Map as proposed in ECMAScript 2015 does not include a setter for default values. This, however, does not r…
How do you target a button, which is in another component, with a method in App.vue?
I’m making a basic To Do app, where I have an input field and upon entering a task and pressing the “Enter” key the task appears in the list. Along with the task the TodoCard.vue component also generates a button, which I would like to use to delete the task. I’ve added a @click=”…
How to minify a source file (Javascript) into a minify file using uglifyjs-webpack
I want to minify my files using uglifyjs-webpack. For example I have a source file core/js/test and want to minify it and send it to min/js/test. Just using a source and respective output, how do I use it with webpack. Answer I often just use the optimization: {minimize: true} option (see this) since webpack …