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Javascript Mock Test
This section presents you various set of Mock Tests related to Javascript Framework. You can download these sample mock tests at your local machine and solve offline at your convenience. Every mock test is supplied with a mock test key to let you verify the final score and grade yourself.
Javascript Mock Test III
Q 1 - Which of the following function of String object returns the index within the calling String object of the first occurrence of the specified value?
Answer : D
Explanation
indexOf() − Returns the index within the calling String object of the first occurrence of the specified value, or -1 if not found.
Q 2 - Which of the following function of String object returns the index within the calling String object of the last occurrence of the specified value?
Answer : A
Explanation
lastIndexOf() − Returns the index within the calling String object of the last occurrence of the specified value, or -1 if not found.
Q 3 - Which of the following function of String object returns a number indicating whether a reference string comes before or after or is the same as the given string in sort order?
Answer : A
Explanation
localeCompare() − Returns a number indicating whether a reference string comes before or after or is the same as the given string in sort order.
Q 4 - Which of the following function of String object is used to match a regular expression against a string?
Answer : B
Explanation
match() − Used to match a regular expression against a string.
Q 5 - Which of the following function of String object is used to find a match between a regular expression and a string, and to replace the matched substring with a new substring?
Answer : C
Explanation
replace() − Used to find a match between a regular expression and a string, and to replace the matched substring with a new substring.
Q 6 - Which of the following function of String object executes the search for a match between a regular expression and a specified string?
Answer : D
Explanation
search() − Executes the search for a match between a regular expression and a specified string.
Q 7 - Which of the following function of String object extracts a section of a string and returns a new string?
Answer : A
Explanation
slice() − Extracts a section of a string and returns a new string.
Q 8 - Which of the following function of String object splits a String object into an array of strings by separating the string into substrings?
Answer : B
Explanation
split() − Splits a String object into an array of strings by separating the string into substrings.
Q 9 - Which of the following function of String object returns the characters in a string beginning at the specified location through the specified number of characters?
Answer : C
Explanation
substr() − Returns the characters in a string beginning at the specified location through the specified number of characters.
Q 10 - Which of the following function of String object returns the characters in a string between two indexes into the string?
Answer : D
Explanation
substring() − Returns the characters in a string between two indexes into the string.
Q 11 - Which of the following function of String object returns the calling string value converted to lower case while respecting the current locale?
Answer : A
Explanation
toLocaleLowerCase() − Returns the calling string value converted to lower case while respecting the current locale.
Q 12 - Which of the following function of String object returns the calling string value converted to lower case?
Answer : B
Explanation
toLowerCase() − Returns the calling string value converted to lower case.
Q 13 - Which of the following function of String object returns the calling string value converted to upper case while respecting the current locale?
Answer : A
Explanation
toLocaleUpperCase() − Returns the calling string value converted to upper case while respecting the current locale.
Q 14 - Which of the following function of String object returns the calling string value converted to upper case?
Answer : B
Explanation
toUpperCase() − Returns the calling string value converted to upper case.
Q 15 - Which of the following function of String object returns a string representing the specified object?
Answer : C
Explanation
toString() − Returns a string representing the specified object.
Q 16 - Which of the following function of String object returns the primitive value of the specified object.
Answer : D
Explanation
valueOf() − Returns the primitive value of the specified object.
Q 17 - Which of the following function of String object creates an HTML anchor that is used as a hypertext target?
Answer : A
Explanation
anchor() − Creates an HTML anchor that is used as a hypertext target.
Q 18 - Which of the following function of String object creates a string to be displayed in a big font as if it were in a <big> tag?
Answer : B
Explanation
big() − Creates a string to be displayed in a big font as if it were in a <big> tag.
Q 19 - Which of the following function of String object creates a string to blink as if it were in a <blink> tag?
Answer : C
Explanation
blink() − Creates a string to blink as if it were in a <blink> tag.
Q 20 - Which of the following function of String object creates a string to be displayed as bold as if it were in a <b> tag?
Answer : D
Explanation
bold() − Creates a string to be displayed as bold as if it were in a <b> tag.
Q 21 - Which of the following function of String object causes a string to be displayed in fixed-pitch font as if it were in a <tt> tag?
Answer : A
Explanation
fixed() − Causes a string to be displayed in fixed-pitch font as if it were in a <tt> tag.
Q 22 - Which of the following function of String object causes a string to be displayed in the specified color as if it were in a <font color='color'> tag?
Answer : B
Explanation
fontcolor() − Causes a string to be displayed in the specified color as if it were in a <font color = 'color'> tag.
Q 23 - Which of the following function of String object causes a string to be displayed in the specified size as if it were in a <font size = 'size'> tag?
Answer : C
Explanation
fontsize() − Causes a string to be displayed in the specified size as if it were in a <font size = 'size'> tag.
Q 24 - Which of the following function of String object causes a string to be italic, as if it were in an <i> tag?
Answer : D
Explanation
italics() − Causes a string to be italic, as if it were in an <i> tag.
Q 25 - Which of the following function of String object creates an HTML hypertext link that requests another URL?
Answer : A
Explanation
link() − Creates an HTML hypertext link that requests another URL.
Answer Sheet
| Question Number | Answer Key |
|---|---|
| 1 | D |
| 2 | A |
| 3 | A |
| 4 | B |
| 5 | C |
| 6 | D |
| 7 | A |
| 8 | B |
| 9 | C |
| 10 | D |
| 11 | A |
| 12 | B |
| 13 | A |
| 14 | B |
| 15 | C |
| 16 | D |
| 17 | A |
| 18 | B |
| 19 | C |
| 20 | D |
| 21 | A |
| 22 | B |
| 23 | C |
| 24 | D |
| 25 | A |