Learn JavaScript Basic Step By Step

JavaScript -1995

JavaScript is a best programming language in the world. JavaScript born in 1995. JavaScript is fist relescd in 1997. JavaScript fist name is “LiveScript”. JavaScript is powerfull language .

Learn JavaScript String:-

The string object's chartAt() method returns a new string consisting UTF-16 code.

concat() method concatenates the string arguments to the calling string .

IndexOf() method returns the index within the calling String object of the first occurrence of the specified value.

lastIndexOf() method returns the index within the calling String object of the last occurrence of the specified value