Development - Java Script - Basics Test

Test Instructions :

1. The Test is 1hr duration.
2. The Test Paper consists of 30 questions. The maximum marks are 30.
3. All the questions are multiple choice question type with three options for each question.
4. Out of the three options given for each question, only one option is the correct answer.
5. Each question is allotted 1 mark for each correct response.
6. 0.25 will be deducted for incorrect response of each question.
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   Time Left : 00 : 30    : 00

JavaScript Code can be called by using _________.

  

  

  

  

Choose the server-side JavaScript object?

  

  

  

  

What is the correct syntax for referring to an external script called " abc.js"?

  

  

  

  

JavaScript is invented by ________.

  

  

  

  

Which of the following function of String object returns a string representing the specified object?

  

  

  

  

_____ JavaScript statements embedded in an HTML page can respond to user events such as mouse-clicks, form input, and page navigation.

  

  

  

  

The development environment offers which standard construct for data validation

  

  

  

  

To open a dialog box each time an error occurs, which of the following is added to prefs.js?

  

  

  

  

A hexadecimal literal begins with

  

  

  

  

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?

  

  

  

  

Why JavaScript is called as Lightweight Programming Language ?

  

  

  

  

In JavaScript, _________ is an object of the target language data type that encloses an object of the source language.

  

  

  

  

JavaScript is _________ language.

  

  

  

  

JavaScript entities start with _______ and end with _________.

  

  

  

  

Which was the first browser to support JavaScript ?

  

  

  

  

JavaScript was invented at _______ Lab .

  

  

  

  

JavaScript Code can be called by using _________.

  

  

  

  

JavaScript is ______ Side Scripting Language.

  

  

  

  

To enable data tainting, the end user sets the _________ environment variable.

  

  

  

  

When a JavaScript object is sent to Java, the runtime engine creates a Java wrapper of type ___________

  

  

  

  

The statement a===b refers to

  

  

  

  

What does the tag do?

  

  

  

  

JavaScript is also called as _____________.

  

  

  

  

Which of the following Attribute is used to include External JS code inside your HTML Document -

  

  

  

  

Scripting language are

  

  

  

The generalised syntax for a real number representation is

  

  

  

  

Is this correct syntax to include JS Code inside HTML Page ?

<script type="text/javascript">
...
</script>

 

  

  

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?

  

  

  

  

When there is an indefinite or an infinity value during an arithmetic value computation, javascript

  

  

  

  

JavaScript is designed for following purpose 

  

  

  

  

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