I am trying to get the location of the user and using that I am trying to get the city. I don’t why but when I call the query function, the city parameter is having some value but it is not reflected in the callback function’s if condition. However, if I replace the city variable in the If condition with
Tag: callback
I m getting confuse why I am getting the second Result first..?
Now the issue is when I am calling (first function) this is giving me the (second) first, I just wanted to know what is exactly happening here how this is working..? and how the second function’s value is passing inside first function..? (because there is no parameter inside first function) Answer Let’s debug your code step by step. First, the
What is the lexical environment inside a callback function?
I keep hearing that arrow functions inherit the value of this from their Lexical Environment. Consider this example: Why is the value of this inside the arrow callback functions undefined (or in non-strict mode: window)? If the callback function is using the value of this from its lexical environment, shouldn’t the lexical environment be addEventListener? Answer When you call a
How can I avoid Array-callback-return error in my code
I want to filter through a list of items and display the items according to my filtered term. My list of items const [persons, setPersons] = useState([ { name: ‘Arton Senna’, tel: ‘9900000000’ …
How to store a value in a variable in a callback function in vuejs
In callback function I can print the value in consoleLog. But, can not get that value in computed property. It shows undefined. Completely stack here. props: { startDate: Date, …
Using a function as statement in while loop JavaScript?
I believe similar questions have been posted before, but I don’t entirely understand why using a callback function as a While loop statement, such as seen below, results in an infinite loop: do { …
Running a query inside the same connection in nodejs
There is a need to run the second sql query (query2) after building it using results of first query (query1) in mentioned space in code snippet, this second sql query will be generated according to …
How to display array in Callback Function
I still confuse about callback function. I have a task to displays month using callback function, so I try to call my function getMonth for displays month and this is so far I got. I haven’t used …
Not able to return authResponse from auth0-js
I’m trying to implement an login mechanize and not able to return a value from the callback function. I’m using this npm package: auth0-js. There’s two files in my setup. The first one is authService….
javascript module pattern from You don’t know JS
I have been reading and testing below code out for several hours now and I just can’t seem to grasp certain things. I have been stepping through chrome console basically putting break in every line I can add and have been inspecting and I am just not sure of things 1)I am just not sure of the purpose of deps