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Validation Using JavaScript


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A brief introduction about JavaScript and Validation

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Validation Using JavaScript

  1. 1. JavaScript Form Validation By: Anirudha Prabhune [email_address]
  2. 2. What is JavaScript? <ul><li>A Scripting Language </li></ul><ul><li>Is an Interpreted Language </li></ul>
  3. 3. Where is it Used? <ul><li>To improve Design, Validate Forms , create cookies etc. </li></ul>
  4. 4. Java = JavaScript ? <ul><li>NO, both are different languages in concept & design. </li></ul><ul><li>Java is powerful & much more comples programming language – same as C, C++ </li></ul>
  5. 5. What can JavaScript do? <ul><li>Insert dynamic text into an HTML Page. </li></ul><ul><li>React to events. </li></ul><ul><li>Validate Data </li></ul><ul><li>Read & Write HTML elements. </li></ul>
  6. 6. What is Validation? <ul><li>A Process of checking if something satisfies a certain criteria </li></ul><ul><li>Testify a solution or process is correct or compliant with set standards or rules </li></ul>
  7. 7. Why use Validation? <ul><li>To make the User do things you want to. </li></ul><ul><li>Like : a certain inputbox must contain only text/ only numbers/ a string of fixed length/ email etc. </li></ul><ul><li>To make the user to fill in a fixed no. of fields mandatorily. </li></ul><ul><li>Demo </li></ul>