• Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/14

Click to flip

14 Cards in this Set

  • Front
  • Back
How do you prevent browsers which don't support javascript from displaying javascript as page content
Add an html comment tag, <!--, before the first javascript statement and a comment closing tag, --> after the last javascript statement
Where do you put the javascript in a page if you do not want the script to be executed immediately
Put the javascript inside of a function which should be placed in the head of the page to keep it separate from page content
How do you refer an html document to an external javascript file
Point to the .js file in teh "src" attribute of the <script> tag. <script type="text.javascript" srcr="xxx.js"></script>
Javascript statement tells browser to write something
document.write("Hello!");
What is a javascript block
A block makes the sequence of javascript statements executed together and starts with a left curly bracket, {, and ends with a right curly bracket, }
How do your write comments on one line
Use //
How do you write multi line comments
Use /* before and */ after sooo
/*
This is an
awesome comment
*/
What are the rules for naming javascript variables
they are case sensitive and must begin with a letter or underscore character
How do you declare variables in javascript
with the var statement
examples:
var x;
var carname;
How do you assign values to variables?
var x=5;
var carname="Volvo";
Text values require quotes while numbers do not
List the js arithmetic operators
+ addition, - subtraction, * multiplication, / division, % modulus, ++ increment, -- decrement
List the js assignment operators
=, +=, -=, *=, /=, %=
List the js comparison operators
== is equal to, === is exactly equal to (value and type), != is not equal, > greather, < less, >= greater than or equal to, <= less than or equal to
List the js logical operators
&& and, || Or, ! not