What is the prototype represents in the following JavaScript code snippet?
function javascript() {};
function javascript() {};
Anonymous Quiz
10%
Not valid
17%
Prototype of a function
66%
Function javascript
7%
A custom constructor
Why event handlers is needed in JS?
Anonymous Quiz
41%
Allows JavaScript code to alter the behaviour of windows
19%
Adds innerHTML page to the code
11%
Change the server location
30%
Performs handling of exceptions and occurrences
Which of the following is not a framework?
Anonymous Quiz
22%
JavaScript .NET
49%
JavaScript
19%
Cocoa JS
11%
jQuery
π1
function compare()
{
let sanfoundry=1;
let javascript="1";
if(sanfoundry.toString()===javascript)
return true;
else
return false;
}
β€1
JAVASCRIPT PROGRAMMING
function compare() { let sanfoundry=1; let javascript="1"; if(sanfoundry.toString()===javascript) return true; else return false; }
What will be the output of the following JavaScript code?
Anonymous Quiz
9%
runtime error
29%
logical error
40%
true
23%
false
var book = {
"main title": "JavaScript",
'sub-title': "The Definitive Guide",
"for": "all audiences",
author: {
firstname: "David",
surname: "Flanagan"
}
};
JAVASCRIPT PROGRAMMING
var book = { "main title": "JavaScript", 'sub-title': "The Definitive Guide", "for": "all audiences", author: { firstname: "David", surname: "Flanagan"β¦
What will be the firstname and surname of the following JavaScript program?
Anonymous Quiz
30%
objects
30%
property names
20%
properties
20%
property values
Which of the following is not an error in JavaScript?
Anonymous Quiz
18%
Missing of Bracket
21%
Division by zero
3%
Syntax error
59%
Missing of semicolons
The web development environment (JavaScript) offers which standard construct for data validation of the input entered by the user.
Anonymous Quiz
26%
Controlled loop constructs
30%
Server page access
22%
Client side Event
22%
Permit server-side
π1
The main purpose of a βLive Wireβ in NetScape is to ________
Anonymous Quiz
47%
Create linkage between client side and server side
35%
Permit server side, JavaScript code, to connect to RDBMS
6%
Support only non relational database
12%
To interpret JavaScript code
A JavaScript program developed on a Unix Machine ________
Anonymous Quiz
17%
will throw errors and exceptions
33%
must be restricted to a Unix Machine only
20%
will work perfectly well on a Windows Machine
30%
will be displayed as a JavaScript text on the browser
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π° The most important Array Methods in JavaScript
map , filter and reduce
map , filter and reduce
β€1