JavaScript Advanced Questions

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Bridge ID *

Password *

Select the right answer. *

Javascript can run "Only" on the browser.

Javascript is used "Only" to draw the objects on the browser.

No compilation is needed before running a Javascript on a browser.

What is the command to draw a circle in javascripts? *

oval

circle

ellipse

draw

What is the command to draw a rectangle? *

rectangle

rect

draw

drawRectangle

How to change the color of the objects you draw using the javascript drawing functions? *

call the "color" method before calling the drawing function

add color information to the drawing method as parameters

call the "fill" method before calling the drawing function

call the "fill" method after calling the drawing function

What is true about the variables in javascript? *

A variable name can only be a single letter.

A variable value cannot be changed once assigned

A variable name can be a word

Only numbers can be assigned to a variable

Two "string" values can be *

combined

substracted

multiplied

divide

What is the Javascript statement that gives 300 as the value of the variable "x" *

var x = (10 + 10) + 100 * (20 / 2)

var x = (10 + 10) * (20 / 2) + 100

var x = (10 + 10) * 100 + (20 / 2);

none of the above answers are correct.

What is the wrong statement about loops. *

A loop may use a counter to decide when to stop

A loop cannot be used without a counter variable

The for loop is similar to a while loop, but with a more specialized syntax.

Loops can be nested

If an array with five elements a=[1,2,3,4,5]; what will do the expression a.length=0 *

checks length of array is 0 or not

deletes all elements

replaces all elements with 0

adds 0 at the beginning

What is the wrong statement about pseudocode? *

writing pseudocode in the code itself as comments will cause syntax errors

pseudocode can be write in a human readable language

pseudocode helps to plan the code before the code is written

pseudocode cannot be executed by any web browser

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