Inner functions can access the variables hold in their parentįunction overloading means multiple functions with the same name.The function can be placed inside other function.Functions in JavaScript can hold other functions.Global variables (declared without var) are different than variables in the global scope Functions in JavaScript can be Nested Var count = 0 // local scope (for the function only)Įxample of local function scope variables: The scope defines where the variable is accessible To return a different value in different cases Function ScopeĮvery variable has its scope of usage. Return can be used several times in a function body. To stop the function’s execution, use just: return The return statement returns the specified expression to the caller and stops the execution of the function. Var student = createStudent("Shagufta", 21, "Female") JavaScript Function Syntax: function functionName(param1, param2. Using the same object reference, multiple functions can be invoked.
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At the end of this article, you will understand what are JavaScript Functions and when and how to use Functions in JavaScript with examples.
Please read our previous article where we discussed JavaScript Loops in Detail. In this article, I am going to discuss JavaScript Functions with Examples.
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