w3schools.com has run 7 ads on Google Search that Ad Repository users have come across, first spotted on 14 Sept 2026 and most recently on 15 Sept 2026. 7 new ads were added in the last 7 days. 100% of the creatives are text-only ads. They were seen most in India. On search, they appear for terms such as “is let funcvtion scoped”, “is var function scoped”, “is let function scoped”.
Function Scope. All JavaScript functions have their own scope. Variables defined inside a function are not accessible (visible) from outside the function.Read more
JavaScript had Global Scope and Function Scope. ES6 introduced the two new JavaScript keywords: let and const . These two keywords provided Block Scope in ...Read more
The len() function returns the number of items in an object. When the object is a string, the len() function returns the number of characters in the string.Read more