JavaScript

Inside which HTML element do we put the JavaScript?

• <js>

• <script>

• <javascript>

• <scripting>

How do you write "Hello W3docs" in an alert box?

• alertBox("Hello W3docs");

• • msg("Hello W3docs");

• alert("Hello W3docs");

• modal("Hello W3docs")

A variable in JavaScript declared with which of the following keyword?

• new

• • int

• str

• var

What is the correct JavaScript syntax to change the content of the HTML element below?

• document.getElementById("demo").innerHTML = "Hello World!";

• • document.getElement("p").innerHTML = "Hello World!";

• document.getElementByName("p").innerHTML = "Hello World!";

Which of the following is NOT a JavaScript object?

• var obj = {};

• • var obj = { name: "Steve"};

• • var obj = { name = "Steve"};

• • var obj = new Object();

What is null in JavaScript?

• Null means empty string value

• • Null means absence of a value

• Null means unknown value

• Null means zero value

Which of the following is a valid JavaScript function?

• var myFunc = function myFun { };

• myFunc function(){ };

• • function myFunc(){ };

How does a FOR loop start?

• for i = 1 to 5

• • for (i <= 5; i++)

• for (i = 0; i <= 5)

• for (i = 0; i <= 5; i++)

A function can be assigned to a variable in JavaScript?

• True

• • False

What will 1 == "1" return?

• True

• • False

• 0

• 1