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Javascript Questions Set 77:

Quiz Mode

What datatype does the async attribute optionally accept?

Integer

String

Boolean

Decimal

Solution:

Which object does the `setTimeout()` method belong to?

Element

Window

Location

None of these

Solution:

A function with no return value is called __________

Procedures

Method

Static function

Dynamic function

Solution:

`<p id = "tuf"></p>`

`<script>`

`var a = 987e6;`

`document.getElementById("tuf").innerHTML = a;`

`</script>`

0.000987

987000

Error

Undefined

Solution:

Which of the following is the event to run code after the page is loaded?

window.console.log

window.write

window.onload

None of the above

Solution:

What is the output of the following code?

`int num == 1; if(num == null) return 1; else return 0;`

runtime error

compile time error

Solution:

What does the following code do?

Always returns true

Compilation error

Checks whether the array contains all the parameters passed

Always returns false

Solution:

Which method is used to select an HTML element by its tag name in JavaScript?

getElementById()

getElementsByTagName()

getElementsByClassName()

There is no method to select an element by tag name.

Solution:

What can be done in order to avoid the creation of global variables in JavaScript?

To use a method that defines all the variables

To use global functions

To use an object as its namespace

To use an object that has the reference to all the variables

Javascript Questions Set 77:

What datatype does the async attribute optionally accept?

Solution:

Which object does the `setTimeout()` method belong to?

Solution:

A function with no return value is called __________

Solution:

`<p id = "tuf"></p>`

`<script>`

`var a = 987e6;`

`document.getElementById("tuf").innerHTML = a;`

`</script>`

Solution:

Which of the following is the event to run code after the page is loaded?

Solution:

What is the output of the following code?

`int num == 1; if(num == null) return 1; else return 0;`

Solution:

What does the following code do?

Solution:

Which method is used to select an HTML element by its tag name in JavaScript?

Solution:

What can be done in order to avoid the creation of global variables in JavaScript?

Solution:

Related Question Sets:

Related Topics:

Javascript Questions Set 77:

What datatype does the async attribute optionally accept?

Solution:

Which object does the setTimeout() method belong to?

Solution:

A function with no return value is called __________

Solution:

<p id = "tuf"></p> <script> var a = 987e6; document.getElementById("tuf").innerHTML = a; </script>

Solution:

Which of the following is the event to run code after the page is loaded?

Solution:

What is the output of the following code? int num == 1; if(num == null) return 1; else return 0;

Solution:

What does the following code do?

Solution:

Which method is used to select an HTML element by its tag name in JavaScript?

Solution:

What can be done in order to avoid the creation of global variables in JavaScript?

Solution:

Related Question Sets:

Related Topics:

Which object does the `setTimeout()` method belong to?

`<p id = "tuf"></p>`

`<script>`

`var a = 987e6;`

`document.getElementById("tuf").innerHTML = a;`

`</script>`

What is the output of the following code?

`int num == 1; if(num == null) return 1; else return 0;`