1500+ Javascript Questions - Set 196 [With Solutions]

Javascript Questions Set 196:

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Javascript Questions

Set 196/206

Which is the in-house library of Yahoo!?

Dojo

YUI

Prototype

Closure

Which of the following is not a method of AJAX?

get()

getJSON()

post()

stop()

Which Redux component adds a change listener?

addON

dispatch

none of these

What is built into Minify?

Dynamic compression

Static compression

Static content

Dynamic content

What is the argument to the `useState` hook?

final state

initial state

both initial and final state

a function

Which property of a textinput event handler specifies the string of text that was entered?

message

data

string

text

Which method is used to create a new attribute in JavaScript?

createAttribute()

createTextNode()

appendChild()

createElement()

Which layer of the network model is responsible for the user interface?

Transport Layer

Network Layer

UI Layer

Presentation Layer

The Closure Compiler can be used in which of the following ways?

Open source

Run time application

Web application

All of the above

What does the following code output?

<!DOCTYPE HTML>

<html>

<head>

<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>

<script>

$(document).ready(function(){

$("p:first").hide();

});

</script>

</head>

<body>

<p>Hello</p>

<p>World</p>

<p>!!!!</p>

</body>

</html>

Hello World !!!!

HelloWorld!!!!

World !!!!

World!!!!

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Qn. Sets

Javascript Questions Set 196:

Javascript Questions

Which is the in-house library of Yahoo!?

Reveal Answer

Reveal Answer

Which of the following is not a method of AJAX?

Reveal Answer

Reveal Answer

Which Redux component adds a change listener?

Reveal Answer

Reveal Answer

What is built into Minify?

Reveal Answer

Reveal Answer

What is the argument to the useState hook?

Reveal Answer

Reveal Answer

Which property of a textinput event handler specifies the string of text that was entered?

Reveal Answer

Reveal Answer

Which method is used to create a new attribute in JavaScript?

Reveal Answer

Reveal Answer

Which layer of the network model is responsible for the user interface?

Reveal Answer

Reveal Answer

The Closure Compiler can be used in which of the following ways?

Reveal Answer

Reveal Answer

What does the following code output? <!DOCTYPE HTML> <html> <head> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script> <script> $(document).ready(function(){ $("p:first").hide(); }); </script> </head> <body> <p>Hello</p> <p>World</p> <p>!!!!</p> </body> </html>

Reveal Answer

Reveal Answer

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What is the argument to the `useState` hook?