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 IV
Q 1 - Which of the following function of String object causes a string to be displayed in a small font, as if it were in a <small> tag?
every() − Returns true if every element in this array satisfies the provided testing function.
Q 7 - Which of the following function of Array object creates a new array with all of the elements of this array for which the provided filtering function returns true?
forEach() − Calls a function for each element in the array.
Q 9 - Which of the following function of Array object returns the first (least) index of an element within the array equal to the specified value, or -1 if none is found?
join() − Joins all elements of an array into a string.
Q 11 - Which of the following function of Array object returns the last (greatest) index of an element within the array equal to the specified value, or -1 if none is found?
lastIndexOf() − Returns the last (greatest) index of an element within the array equal to the specified value, or -1 if none is found.
Q 12 - Which of the following function of Array object creates a new array with the results of calling a provided function on every element in this array?
push() − Adds one or more elements to the end of an array and returns the new length of the array.
Q 15 - Which of the following function of Array object applies a function simultaneously against two values of the array (from left-to-right) as to reduce it to a single value?
reduce() − Applies a function simultaneously against two values of the array (from left-to-right) as to reduce it to a single value.
Q 16 - Which of the following function of Array object applies a function simultaneously against two values of the array (from right-to-left) as to reduce it to a single value?
