I am working on a project where I have to pass data from one page to another. For example, I have data on the first page. Here is the first component page where I render this list of data with the name. I want to pass this data to the next page where I need this data and more data
Tag: javascript
Matching whole words that start or end with special characters
I need a regular expression in javascript that matches whole words that start or end with special characters? It was supposed to be easy, but for some reason b after ? doesn’t behave as I expected: What I need, for instance if my word is “FOO?” (including the question mark), I want to match:…
Extract Numbers from Array mixed with strings – Javascript
I have an array from strings and numbers. I need to sort the numbers or better to extract only the numbers in another array. Here is the example: I need to make it like this I used split(‘ ‘) method to separate them with comma but don’t know how to filter them for JS they all are strings. An…
How to allow only English letters in input fields?
So, this is my input field: How can I allow only English letters? This is the RegEx, I believe I should use: /[A-Za-z]/ig https://regex101.com/r/upWFNy/1 I am assuming that onChange() event should be used for this with the combination of setState() and event.target.value. Thanks. PS. I need to have this WHILE…
Getting error Invariant Violation tried to get frame out of range index?
I have create VenueList component. I want to display list using FlatList component in react native app. I am getting error: Invariant Violation tried to get frame out of range index (See screenshot). Code: VenueList.js: venueReducer.js: venueAction.js: The data which I want to display from API endpoint has js…
JS ECMA6 – Ternary Operator for backwards compatibility
I have a piece of javascript code that uses the ECMA6 dataset property to access an objects data-foo attribute of an element e. Unfortunately, this is not compatable with <=IE10. To combat this, I’ve rewritten my code to using a ternary operator, using dataset when supported and getAttribute when not…
Wait for an own function (which returns a promise) before tests are executed
I’m new to cypress and am trying to figure out how things work. I have my own function (which calls a test controller server to reset the database). It returns a promise which completes when the DB have been successfully resetted. My goal is to be able to execute it before all tests. How can I do that i…
Get the list of all selected check boxes with Vue.js
How can I get a list of all check boxes that I selected with Vue? This is my HTML which works and shows me a list of my products with a checkbox. What I want is that when I click on a button, it fetches all check boxes that I selected. And give me all the values. But I can’t
How to delete object from array in firestore
I have a problem with deleting an Object out of an Array in firestore. I have this data in firestore: And now I would like to delete e.g the second Object out of the posts Array. Code: But I do not know how to define arrayRemove() These are the pictures and each one has a delete button to delete the
Vue: convention for conditional props in dynamic components?
I am fairly new to Vue, so if what I am doing is absurd, please let me know. A common convention in many of my components is something like this (only showing relevant parts of code): I dislike this as thing.text may in actuality be a lot of stuff (not just text). Further, I dislike the redundancy for renderi…