Javascript in HTML PDF

JAVASCRIPT IN HTML Std. VIII CS JavaScript in HTML 1 of 7  WHAT IS A SCRIPTING LANGUAGE? D e fi n i t i o n A s c r i p t i n g l a n g u a g e i s a p ro g r a m m i n g l a n g u a g e m a i n l y u s e d t o c re a t e interactive and dynamic websites and web applications. Uses Ad d...

JAVASCRIPT IN HTML Std. VIII CS JavaScript in HTML 1 of 7  WHAT IS A SCRIPTING LANGUAGE? D e fi n i t i o n A s c r i p t i n g l a n g u a g e i s a p ro g r a m m i n g l a n g u a g e m a i n l y u s e d t o c re a t e interactive and dynamic websites and web applications. Uses Ad d i n g i n t e r a c t i v i t y t o w e b p a g e s ( a d d p o p - u p w i n d o w s a n d d i a l o g b oxe s i n a w e b p a g e , t o s h o w a n d h i d e t h e c o n t e n t o f a w e b p a g e , a n d t o p e r f o rm calculations). Std. VIII CS JavaScript in HTML 2 of 7 TYPES OF SCRIPTING LANGUAGES Client-Side Scripting Languages Ru n o n a c l i e n t ’ s c o m p u t e r o n a b ro w s e r U s e d t o c h a n g e t h e i n t e r f a c e i n re s p o n s e t o a u s e r ’ s a c t i o n Examples: JavaScript, jQuery Server-Side Scripting Languages Ru n o n a w e b s e r v e r U s e d t o h a n d l e d a t a a n d s e r v e r- s i d e l o g i c E x a m p l e s : P H P , A S P. N E T Std. VIII CS JavaScript in HTML 3 of 7  WHAT IS JAVASCRIPT? D e fi n i t i o n JavaScript is one of the most popular client-side scripting language. It is commonly used to build web applications and even games. The code written in JavaScript is re f e rre d t o a s a ‘ s c r i p t. ’ T h e s e s c r i p t s a l l o w y o u t o m o d i fy e l e m e n t s o n a w e b p a g e b a s e d o n t h e a c t i o n s t a ke n by the user, making the web page interactive. Ke y Fe a t u r e s Ru n s d i re c t l y w i t h o u t b e i n g c o m p i l e d Client-side scripting language Case-sensitive language PStd. l a t fVIII o rmCS - i n d e p e n d e n t 4 of 7 JavaScript in HTML  USING JAVASCRIPT WITH HTML Internal JavaScript E m b e d d e d d i re c t l y w i t h i n a n H T M L d o c u m e n t i n s i d e < s c r i p t > t a g s , t y p i c a l l y i n the or sections. External JavaScript S e p a r a t e J a v a S c r i p t fi l e l i n ke d t o a n H T M L d o c u m e n t u s i n g < s c r i p t s rc = " fi l e. j s " > < / s c r i p t > i n a s e p a r a t e fi l e w i t h t h e ex t e n s i o n ‘. j s ’. Std. VIII CS JavaScript in HTML 5 of 7 INTERNAL JAVASCRIPT Std. VIII CS JavaScript in HTML 6 of 7 EXTERNAL JAVASCRIPT Std. VIII CS JavaScript in HTML 7 of 7