Summary on java script descriptionary

JavaScript is the most popular and scripting language on the internet, and works in all major browsers such as internet explorer, Mozilla Firefox and opera.Javascript was designed to add interactive to HTML pages.

WHAT JAVASCRIPT CAN DO

1, JavaScript gives HTML designers a programming tools- HTML authors are not programmers, but JavaScript is a scripting language with a very simple syntax.

2, JavaScript can put dynamic text into an HTML pages- it statements like this document. Write("

" +name+ "

") can write a variable text

3, JavaScript can react to events- it can be set to execute like when something happens, like when a page has finish loading.

4, JavaScript script can read and write HTML elements- it can read and change content of HTML element.

5, JavaScript can be used to validate data- it can validate data before it is submitted to server.