Day: March 7, 2024

In JavaScript there are 5 different data types that can contain values: There are 6 types of objects: And 2 data types that cannot contain values: JavaScript typeof ============== typeof “John” // Returns “string” typeof 3.14 // Returns “number” typeof NaN // Returns “number” typeof false // Returns “boolean”

Variables declared with let have Block Scope Variables declared with let must be Declared before use Variables declared with let cannot be Redeclared in the same scope JavaScript Let ========== let x = 1; { let x = 2; document.getElementById(“d2”).innerHTML = x; } { let x = 3; document.getElementById(“d3”).innerHTML = x; } document.getElementById(“d1”).innerHTML = x;

Spelling Checker for Visual Studio Code A basic spell checker that works well with code and documents. The goal of this spell checker is to help catch common spelling errors while keeping the number of false positives low.