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charCodeAt()

JavaScript String charCodeAt() The charCodeAt() the method returns the Unicode of the character at a specified index in a string: The method returns a UTF-16 code (an integer between 0 and 65535). --------- <!DOCTYPE html> <html> <body> <h2>JavaScript String Methods</h2> <p>The charCodeAt() method returns the unicode of the character at a given position in a string:</p> <p id="demo"></p> <script> let text = "HELLO WORLD"; document.getElementById("demo").innerHTML = text.charCodeAt(0); </script> </body> </html> ------------------------------------------ Result: JavaScript String Methods The charCodeAt() method returns the Unicode of the character at a given position in a string: 72

Substring

JavaScript String substring() substring() is similar to slice() . The difference is that start and end values less than 0 are treated as 0 in substring() . <!DOCTYPE html> <html> <body> <h2>JavaScript String Methods</h2> <p>The substring() method extract a part of a string and returns the extracted parts in a new string:</p> <p id="demo"></p> <script> let str = "Apple, Banana, Kiwi"; document.getElementById("demo").innerHTML = str.substring(7,13); </script> </body> </html> =============== Result: JavaScript String Methods The substring() method extracts a part of a string and returns the extracted parts in a new string: Banana