π’ CallBack Function in JavaScript!
A thread...β©
A thread...β©
π’ What is CallBack Function?
β In JavaScript, you can also pass a function as an argument to a function. This function that is passed as an argument inside of another function is called a callback function.
β In JavaScript, you can also pass a function as an argument to a function. This function that is passed as an argument inside of another function is called a callback function.
π’ Why do we need Callback Functions?
β Callbacks make sure that a function is not going to run before a task is completed but will run right after the task has been completed.
β Callbacks make sure that a function is not going to run before a task is completed but will run right after the task has been completed.
π’ The benefit of Callback Function!
β The benefit of using a callback function is that you can wait for the result of a previous function call and then execute another function call.
β The benefit of using a callback function is that you can wait for the result of a previous function call and then execute another function call.
β
How to create a Callback!
π’ Callback as an Arrow Function!
β If you prefer, you can also write the same callback function, , which is a newer type of function in JavaScript:
β If you prefer, you can also write the same callback function, , which is a newer type of function in JavaScript:
π’ That's it for this thread. If you found it useful!
Follow me
@souravcode
Hey, I am a Web Developer From India, Helping people learn web development. I Tweet Around. β©β©β©
π’ HTML
π’ CSS
π’ JavaScript React, & More Tips & Web Development Content.
β Like
β‘Retweet
Follow me
@souravcode
Hey, I am a Web Developer From India, Helping people learn web development. I Tweet Around. β©β©β©
π’ HTML
π’ CSS
π’ JavaScript React, & More Tips & Web Development Content.
β Like
β‘Retweet
Loading suggestions...