Jul 12, 2017 · Call the function and save the return value of that very call. function firstFunction() { // do something return "testing 123"; } var test = firstFunction(); // this will grab you the return value from firstFunction(); alert(test); You can make this call from another function too, as long as both functions have same scope. For example:

May 5, 2012 · Return the value you wish to use in functionOne, then call functionOne within functionTwo and place the result into a fresh var. This should enable you to use the var declared in functionOne, within functionTwo.

Nov 13, 2020 · You can call depositAcc function inside Withdraw and put the result in a variable for your use. Other option is to assign totalBalance outside the two functions and just set is when you want. this is called a global variable

Jan 11, 2024 · Call the outer function to obtain the inner function. Assign the result to a variable if needed. Call the returned inner function separately, either immediately or at a later point in your code. Example 1: In this example, “from function 2” is returned from the fun2 which is finally returned by fun1.

Feb 15, 2025 · A nested function is a function defined inside another function in JavaScript. The inner function has access to the variables and parameters of the outer function. The inner function can be called only from within the outer function.

Using a callback, you could call the calculator function (myCalculator) with a callback (myCallback), and let the calculator function run the callback after the calculation is finished: In the example above, myDisplayer is a called a callback function. It is passed to …

Mar 4, 2024 · To call a function inside another function, define the inner function inside the outer function and invoke it. When using the function keyword, the function gets hoisted to the top of the scope and can be called from anywhere inside the outer function.

Learn how to pass the result of a function to another function using the function call operator & passing the function as an argument in JavaScript with an example.

In JavaScript, you can call a function that returns another function by first assigning the returned function to a variable and then calling it using the variable name, followed by parentheses. Example

Jan 8, 2025 · Smaller functions make code easier to read and fix. By calling one function inside another, you can build complex logic step by step.