JAVASCRIPT ! A scripting language for controlling the behavior of HTML page. ! Code is interpreted by web browsers when HTML is loaded. Most web browsers come with JavaScript interpreter with slightly difference. ! Its syntax is inspired by “Java”. Web Server Web Browser HTML +CSS Rendering Engine JavaScript Interpreter Java Virtual Machine SCRIPT TAG ! JavaScript code is embedded inside !"#$%&’( !*’+,( !*-./(!’%’,-(0!1’%’,-( "#$%&’( ()’*+,(*-(./010#$%&’(, #%$+,2334/#,5 ".#$%&’(5 !1*-./( !23/4( "#$%&’( ()’*+,(*-(./010#$%&’(,5 ..’6( 70108$%&’( $39* :*%* ".#$%&’(5 !*5(6-,,3!1*5( !123/4( !1*’+,( " # VARIABLES AND DATA TYPES ! Dynamic typing ! Type is bound to values NOT variables . ! Type of a variable is changed when its value is changed to a different type. 7.$ +47.$5 8 9*-,,39: 7.$ +47.$; 8 5<: LAB4 : JavaScript & HTML Form Processing
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LAB4 : JavaScript & HTML Form Processing LAB4: JavaScriptlms.mju.ac.th/courses/931/locker/Labs/Lab3 JavaScript.pdf · Reference in Lab Manual Event Handler Event Trigger ... JavaScript
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LAB4: JavaScript
JAVASCRIPT
!!A scripting language for controlling the behavior
of HTML page.
!!Code is interpreted by web browsers when HTML is loaded. Most web browsers come with