Intro About Java Script

In today class,I learned about short intro of Java script.so, I'll share about some facts about java script in this blog

✓ Java script is a high level programing language that used alongside HTML and CSS

✓ Java script was created by BRENDON EICH in 1995.He's a computer programmer and technology executive.

✓ It is used to define the behaviour of the HTML and CSS,

✓ Java script is a most widely used frontend language in the world wide.

✓ Brendon takes only 10 days to create java script.

✓ Java script mainly used browsers,not only browser also on servers, mobile apps and AI tools.

1.Why this language has the name of Java script?

✓ In the initial stage it was named by "MOCHA" and later renamed "LIVE SCRIPT"

✓ Then they conclude the popularity of JAVA language at the time so its inspired JAVA language to renamed "JAVA SCRIPT".

2.Why javascript version names are denoted by ES not JS?

✓ Javascript versions are denoted by ES, because ES standa for ECMAScript.

✓ Javascript created by netscape,but standardized name of the language managed by ECMA International,so its called ES

3.What are the data types are in javascript?
∆ Data types are two types,they are
1.primitive data type
2.non primitive data type

∆ Javascript using 7 primitive data types,they are Number,Boolean, Bigint,String, Undefined,Null and Symbol.
Number:
✓Its using to denote numbers like
Ex:19,12,4,2

Boolean:
✓boolean denoted by true or false.

Bigint:
✓Normally integer values are number,on the other hand bigint means big numbers.
Ex:2527788373782,2773993736.

String:
✓Strings are set of characters enclosed single''or double""quotes.
Ex:"Deva",'blog'.

Undefined:
✓Undefined is variable can be exist but not value assigned

Null:
✓Null is denoted by empty value or 0 value.

Symbol:
✓This used to unique symbol like percentage,greater than and lessthan etc.

4.Why java script is scripting language?

✓Java script does not need any compiler to run this code,they run on runtime browsers

✓Example Java code need a compiler to read the code to machine language(binary) and then to compiled servers,but javascript does not need compilers to convert machine language they directly runs on browsers.