Question 1 of 25
Hints left: 3
Q1
The purpose of extensible attribute is to
Q2
Consider the following code snippet function f() {}; The above prototype represents a
Q3
Identify the process done in the below code snippet o = {x:1, y:{z:[false,null,""]}}; s = JSON.
Q4
Local Browser used for validations on the Web Pages uses __________.
Q5
Consider the following code snippet : var book = { "main title": "JavaScript", 'sub-title': "The Definitive Guide", "for": "all audiences", author: { firstname: "David", surname: "Flanagan" } }; In the above snippet, firstname and surname are
Q6
To determine whether one object is the prototype of (or is part of the prototype chain of) another object, one should use the
Q7
Consider the below given syntax book[datatype]=assignment_value; In the above syntax, the datatype within the square brackets must be
Q8
JavaScript Code is written inside file having extension __________.
Q9
The basic purpose of the toLocaleString() is to
Q10
JavaScript is designed for following purpose
Q11
Variable can hold ________ value at a time.
Q12
JavaScript was invented at _______ Lab.
Q13
A linkage of series of prototype objects is called as :
Q14
Javascript is _________ language.
Q15
Integer Variable is declared using following syntax in JavaScript.
Q16
Which was the first browser to support JavaScript ?
Q17
JavaScript Code can be called by using _________.
Q18
Integer Variable is declared using following syntax in JavaScript.
Q19
The object has three object attributes namely
Q20
Which attribute is used to specifies that the script is executed when the page has finished parsing (only for external scripts)
Q21
JavaScript is invented by ________.
Q22
It is good to include JS code inside footer section in order to speed up the Page loading time of Webpage.
Q23
JS code included inside head section is loaded before loading page.
Q24
JavaScript is ______ Side Scripting Language.
Q25
We can embed JS code inside HTML directly ?