<ul data-eligibleForWebStory="true"><li>Function declarations, or function statements, declare a function using the function keyword with a designated function name.</li><li>Function declarations do not require variable assignment and are standalone constructs that can be accessed before or after their definition.</li><li>Function declarations are hoisted and executed before other code in the program.</li><li>The function within a function declaration can be accessed both before and after its definition.</li><li>Example: function functionName() { // set of statements }</li><li>Function expressions are similar to function declarations but do not have a function name and can be stored in a variable assignment.</li><li>Function expressions are executed only when the program interpreter reaches the line of code where they are defined.</li><li>The function in a function expression can only be accessed after its definition.</li><li>Example: let variableName = function(param1, param2) { // set of statements }</li><li>console.log(variableName(args1, args2));</li><li>Reference link: https://www.geeksforgeeks.org/javascript/difference-between-function-declaration-and-function-expression-in-javascript/</li></ul>

Function Declaration & Function Expression

Discover more