Modern Web Design with HTML5, CSS3, and JavaScript - Learning about JavaScript String Methods - Part 2.

This video tutorial explores various string methods in JavaScript, including substring, slice, replace, and regex. It explains the differences between substring and slice, demonstrates how to use the replace method with regex for global replacements, and covers methods like includes, indexOf, match, and search for string content checking. Additionally, it discusses converting numbers and date objects to strings, providing practical examples and challenges to enhance understanding.

What is a key difference between the slice and substring methods?

• Both can use negative indices.

• Neither can use negative indices.

• Slice can use negative indices, substring cannot.

• Substring can use negative indices, slice cannot.

Which method allows you to specify the number of characters to return instead of an end position?

• Slice

• Substr

• Replace

• Substring

What does the replace method do in JavaScript?

• It converts a string to uppercase.

• It removes a specified part of a string.

• It finds a pattern in a string and replaces it with new content.

• It splits a string into an array.

How can you replace all instances of a pattern in a string?

• Use the substring method.

• Use the replace method with the 'g' flag in regex.

• Use the slice method.

• Use the replace method with a loop.

What does the includes method return if a string contains the specified substring?

• A boolean value

• The index of the substring

• An error message

• The length of the substring

What value does indexOf return if the substring is not found?

• undefined

• 0

• -1

• null

Which method would you use to find the last occurrence of a substring?

• lastIndexOf

• includes

• substring

• indexOf

What is the purpose of the toString method?

• To convert a string to a number

• To convert a number to a string

• To split a string into an array

• To find the length of a string

How can you convert a Date object to a string?

• All of the above

• Using the toUTCString method

• Using the toTimeString method

• Using the toDateString method

What is the output format of a Date object when converted to a string?

• JSON format

• Binary format

• Human-readable format

• Hexadecimal format