JWD JS Test Bank 51-60

51. With JavaScript, how do you define a numerical value?

• var x=3;

• var x=Math(3);

• Math.x=3;

52. Which DOM method is supported by most browsers?

• x.getElementById(id)

• x.getElementByTagName(name)

• both of the methods are supported by most browsers

53. With JavaScript, how can you find the browser name of the client?

• navigator.appName

• window.appName

• browser.appName

54. With JavaScript, how do you read the first character in a string

• stringName.charAt(0)

• stringName.charAt(1)

• stringName.substr(0)

• stringName.substr(1)

55. The JavaScript international standard is called?

• ECMAScript

• Java

• ISO-262

56. With JavaScript, what is the correct code to return a random number between 0 and 1?

• document.write(Math.random());

• document.write(Math.md());

• document.write(random());

• document.write(md());

57. JavaScript is same as Java.

• True

• False

58. Assume you want the following text stored in a variable called "txt var txt - "We are the "Vikings" from the north"; Which of the options below will display the text correctly?

• var txt = "We are the + " + Vikings + " + from the north";

• var txt = "We are the \"Vikings\" from the north";

• var txt = "We are the [" Vikings"] + from the north";

59. With JavaScript, how do you write a conditional statement for executing some code if "i" is equal to 5?

• if i==5 then

• if (i==5)

• if i=5

• if i=5 then

60. onclick is equivalent to which two events?

• onmouseover and onmousedown

• onmousedown and onmouseout

• onmousedown and onmouseup

• onmouseup and onmouseout