What is mean by java script in web technology? Is java script is hard to learn ? In what order i should learn Java script?
What is mean by Java script and. How is it work in web technology?
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What is mean by java script in web technology? Is java script is hard to learn ? In what order i should learn Java script?
What is mean by java script ?
Java script is a programming language with direct support to object oriented methodologies .It facilitates the inclusion of certain executable data along with it. Java script can also maintain dynamic data which can interact with the users ,dynamically create html context and also control the browsers actions .It provides various types of operators ,conditional statements arrays and objects etc..
FEATURES OF JAVA SCRIPT.
1.It is an object based language that confined to run within the web browsers only .
2. It’s an interpreted language and queries no compilation.
3. It can be directly embedded to html files .
4. It is loosely types language i.e one data type can be converted in to other data type .
5.It support event based programming .
DATA TYPES IN JAVA SCRIPT .
Java data types can be classified into mainly four types .they are :
1.Boolean data type
2. String data type .
3. Null data type .
4 .Number data type .
DIFFERENT OPERATORS ARE USED IN JAVA SCRIPT SUCH AS:
1.Arthimetic operators.
2.Assignment operators.
3. Relational operators.
4.logical operators.
5. Bitwise operators.
Various conditional statement are used in java script.
1. Conditional statement :
a. IF.
IF is the most basic control statement which support execution of certain statements after satisfying a condition maintained by it .
b.if – else
If – else is an extension to if “statement “the only difference between them is the else statement carrying certain block of statement which get executed only if it’s superior if condition becomes false.