What does the .toLowerCase() method do in JavaScript?
A). Converts all characters to lowercase
B). Converts all characters to uppercase
C). Trims leading and trailing whitespace
D). Converts string to a boolean
What is the result of 'apple'.charAt(2) in JavaScript?
A). 'p'
B). 'l'
C). 'a'
D). 'pp'
What does the .concat() method do in JavaScript?
A). Concatenates two or more strings
B). Compares two strings
C). Converts a string to lowercase
D). Finds a substring in a string
How do you get the index of the first occurrence of a specified substring in a string?
A). string.indexOf(substring)
B). string.index(substring)
C). substring.positionIn(string)
D). string.search(substring)
What does the .replace() method do in JavaScript?
A). Replaces a specified value with another value
B). Removes a substring
C). Splits a string into an array
D). Joins two or more strings
How do you concatenate two strings in JavaScript?
A). string1.concat(string2)
B). string1 + string2
C). string1.join(string2)
D). string1.combine(string2)
Which method can you use to check if a string includes a specific substring in JavaScript?
A). .includes()
B). .contains()
C). .hasSubstring()
D). .indexOf()
What does the .substring() method do in JavaScript?
A). Extracts characters between two indices
B). Trims whitespace from the beginning
C). Converts string to an array
D). Compares two strings
How do you convert a string to uppercase in JavaScript?
A). string.toUpperCase()
B). string.uppercase()
C). string.toUppercase()
D). string.upperCase()
How do you find the length of a string in JavaScript?
A). string.length
B). string.size
C). string.length()
D). lengthOf(string)