JavaScript

Which code fragment sets up a timer that calls a function named "adjust" every second?

• setTimeout(adjust, 1);

• setTimeout(adjust, 1000);

• setInterval(adjust, 1);

• setInterval(adjust, 1000);

Which two functions support 2D transformations in CSS3?

• skew()

• zoom()

• move()

• scroll()

• matrix()

Which three events are valid for the HTML CANVAS element?

• scroll

• mouseup

• blur

• datareceived

• hover

Which element should you use to rotate an SVG square?

• path

• ANIMATETRANSFORM

• ANIMATEMOTION

• AREA SHAPE

When you are working with the path API, what is the purpose of the clip method?

• pastes a shape object in from the system clipboard

• constrains the rendered output of the shape object

• copies the shape object to the system clipboard

• stores the shape object for later reference in script

When you are using the GeoLocation API, which two arguments does the getCurrentPosition function utilize?

• success callback

• MAC address

• browser type

• ip address

• failure callback

Which JavaScript method allows you to register multiple handlers for a single touch event?

• dispatchEvent

• initUIEvent

• addEventListener

• initEvent

You need to ensure the scope of a variable named j is limited to the block of a single function named foo(). Which JavaScript code fragment will accomplish this?

• function foo(){

  var j;

  ...

  }

• var j;

  function foo() {

  ....

  }

• j=0;

  function foo () {

  ...

  }

• function foo (){

  j=0;

  ...

  }

Which two touch gestures require a multi-touch device?

• hold

• tap

• pinch

• spread

What value does the following JavaScript code fragment store into the variable num?

• maximum length of a character string

• potential capacity of local storage

• number of bytes available in local storage

• number of key-value pairs in local storage