Javascript - var, functions, arrays, if

What is the correct way of declaring a variable and assigning it to the value 10 ?

• var a=10;

• variable a:10;

• var a:10;

• var 10;

What is the correct syntax to declare a function named myFun ?

• myFun(){

  }

• function myFun{

  }

• function myFun(){

  }

• function myFun(

  )

What is the purpose of creating functions?

• to test a condition

• to repeat some lines of code over and over

• to execute some lines of code whenever you want

• to execute lines of code when the page loads

How can we change the text of a paragraph with an id "myPara"?

• document.getElementById("myPara").style.text="new text"

• document.getElementById("myPara").text="new text"

• document.getElementById("myPara").innerHTML="new text"

• document.getElementById("myPara").value="new text"

Which of these correctly selects a paragraph with an id "myPara"?

• getElementById("myPara")

• document.getElementById("myPara")

• document.getElementById( myPara )

• document.Id("myPara")

How do we execute a function named myFunction?

• myFunction{};

• myFunction();

• function myFunction()

• myFunction;

How do we create an array "myArray "of 2 items "one" and "two"?

• var myArray = ["one", "two"]

• var myArray = [one, two]

• array myArray = ["one", "two"]

• myArray = "one", "two"

var myArray= [ "January", "February", "March"];

How do we retrieve January?

• myArray=0;

• myArray(0);

• myArray[1];

• myArray[0];

var myArray= [ "January", "February", "March"];

How do we retrieve February?

• myArray:2 ;

• myArray(1);

• myArray[1];

• myArray[2];

var myArray= [ "January", "February", "March"];

How do we change "March" to "May"?

• myArray=May[2] ;

• myArray[3]="May";

• myArray[2]="May";

• myArray="May";