They are useful in the following scenario. history.go(number): number may be positive for forward, negative for backward. 2nd Floor, Durga Bhavani Plaza, Satyam Theatre Road, Ameerpet, Hyderabad, Telangana 500016. Let’s see an example. Answer: Yes, JavaScript is a case sensitive language. Following are the objects, used in JavaScript that shows the relationship of one object to another. In JavaScript objects, values are written as name:value pairs as below: The name:values pairs are called properties. Output is 102030 because after a string all the + will be treated as string concatenation operator (not binary +). It reduces the loading time of the webpage, and it gets displayed faster. It provides a has-a, uses-a, or can-do relationship as compared to the is-a relationship created with class inheritance. It is object-based, lightweight and cross platform. Q #3) In the following code snippet can you please predict the output or If you get an error, please explain the error? If yes, how is it done? It can dynamically update the contents of the webpage, which is the beauty of this language. In the case of a function call, ‘this’ refers to the global object. The path is : c:\Program Files\Netscape\Users\Username\samplecookies.txt, The Internet Explorer stores the cookies on a file [email protected] The path is: c:\Windows\Cookies\[email protected]. Both the and <[]> works almost the same in JavaScript. Answer: There are 6 types of values in ‘Error Name’ Property. Here, the code snippet after a