• Variables 🚀
• Operators 🚀
• Functions 🚀
• Loops 🚀
• OOP 🚀
• TypeScript 🚀

• charAt(index): Returns the character at the specified index.
• concat(...strings): Combines two or more strings.
• toUpperCase(): Converts a string to uppercase.
• toLowerCase(): Converts a string to lowercase.
• trim(): Removes whitespace from both ends of a string.
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• push(...elements): Adds one or more elements to the end of an array.
• pop(): Removes the last element from an array.
• join(separator): Joins all elements of an array into a string.
• slice(start, end): Extracts a portion of an array.
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• toFixed(digits): Formats a number using fixed-point notation.
• toPrecision(precision): Formats a number to a specified precision.
• parseInt(string, radix): Parses a string and returns an integer.
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• keys(): Returns an array of a given object's property names.
• values(): Returns an array of a given object's property values.
• hasOwnProperty(prop): Returns a boolean indicating whether the object has the specified property.
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• getDate(): Returns the day of the month.
• getMonth(): Returns the month (0-11).
• getFullYear(): Returns the year.
• toLocaleDateString(): Returns a string representing the date.
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HAPPY CODING 😄 & I 💖 PROGRAMMING