javascript char code example

Example 1: javascript get first character of string

var str="Hello Folks!"
var firstStringChar = str.charAt(0); //H

Example 2: javascript charat

/*
charAt() method
This method takes in a string and an index as input
and returns the character at that position in the specified string
*/

myString = "Hello World!";

console.log(myString.charAt(0)); // outputs "H"
console.log(myString.charAt(5)); // outputs " "
console.log(myString.charAt(8)); // outputs "r"
// If the specified index is bigger or equal to the length of the string,
// the output will be "".
console.log(myString.charAt(23)); // outputs ""

Example 3: js convert order to char

String.fromCharCode(65,66,67); // returns 'ABC'

Example 4: javascript string to ascii array

String.fromCharCode('a');

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Php Example