freeCodeCamp/guide/english/certifications/javascript-algorithms-and-data-structures/basic-javascript/local-scope-and-functions/index.md

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Local Scope and Functions

Local Scope and Functions

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Problem Explanation

Local scope means that the variable is available within a certain area. In the case of this exercise, myVar is only available within the function, and not anywhere outside.

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Solutions

Solution 1 (Click to Show/Hide)

function myLocalScope() {
  var myVar;
  console.log(myVar);
}
myLocalScope();

Code Explanation

• The variable only exists in the function. Outside the function, it is non-existent.