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<!DOCTYPE html> <html> <head> <title>Let's Coding Example</title> </head> <body> <div id="first">1.text</div> <div id="second">2.text</div> <script> let numberVar = 42; // Number let price = 19.99; // Floating-point number let stringVar = "Hello"; // String let booleanTrue = true; // Boolean let booleanFalse = false; // Boolean let nullVar = null; // Null let undefinedVar; // Undefined let id = Symbol("unique identifier"); // Represents a unique and immutable value often used as object property keys. </script> </body> </html>
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