what is the difference between != and !== javascript code example

Example 1: difference between == and === in javascript

0 == false   // true
0 === false  // false, because they are of a different type
1 == "1"     // true, automatic type conversion for value only
1 === "1"    // false, because they are of a different type
null == undefined // true
null === undefined // false
'0' == false // true
'0' === false // false

Example 2: what is the difference between javascript and java

Javascript is used to add animations and life to web pages, and works with HTML, where Java creates applications and doesnt work with HTML. They are similar only by name.