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Number
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Any numeric value
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String
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Characters inside quote marks
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Boolean
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True or False
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Null
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Empty and meaningless
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Object
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Any value associated with the object
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Function
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Value returned by a function
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x + y (numeric)
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Adds x and y together
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x + y (string)
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Concatinates x and y together
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x - y
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Subtracts y from x
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x * y
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Multiplies x and y together
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x / y
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Divides x by y
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x % y
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Modulus: The remainder when x is divided by y
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x++, ++x
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Adds one to x
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x--, --x
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Subtracts one from x
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-x
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Reverses the sign on x
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x = y
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Sets x to the value of y
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x += y
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Same as x = x + y
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x -= y
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Same as x = x - y
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x *= y
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Same as x = x * y
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x /= y
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Same as x = x / y
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x %= y
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Same as x = x % y
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.length property
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Adds one value to the end of an array
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push()
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Adds one or more items to the end of an array
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unshift()
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Adds one or more items to the beginning of an array.
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parseInt()
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Takes a value and tries to convert it to an integer
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isNaN()
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Returns true if something is not a number.
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setTimeout()
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Specify that am action should occur on a particular schedule
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Math.floor
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Rounds a number down
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Math.random
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Generaters a random number between 0 and 1
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getElementsByTagName()
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getElementById()
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getElementsByClassName()
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element.innerHTML
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returns all the HTML between the opening and closing tags
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element.nodeType
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property, returns the number of the node type
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element.childNodes
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A node list of child nodes that are indexed numerically, and appear in source order.
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element.childNodes.length
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Returns the number of child nodes of the element
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onabort
|
The user aborted loading the page
|
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onblur
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The user left the object
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onchange
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The user changed the object
|
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onclick
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The user clicked an object
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onerror
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The script encountered an error
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onfocus
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The user made an object active
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onload
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The object finished loading
|
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onmouseover
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The cursor moved over an object
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onmouseout
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The cursor moved off an object
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onselect
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The user selected the contents of an object
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onsubmit
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The user submitted a form
|
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onunload
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The user left the page
|
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onmove
|
The window is moved
|
|
onmousedown
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A mouse button is pressed down
|
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onmouseup
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A mouse button is released
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onmousemove
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The mouse moves
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ondblclick
|
A double click of a mouse button
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onclick
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A single click (down and then up) of a mouse button
|
|
onreset
|
A reset button is clicked on a form
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onkeydown
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Triggered when a key is pressed down
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onkeyup
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Triggered when a key is released
|
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onkeypress
|
Triggered when a key is pressed and then released
|
|
x == y
|
Returns true if x and y are equal
|
|
x === y
|
Returns true if x and y are identical
|
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x != y
|
Returns true if x and y are not equal
|
|
x !== y
|
Returns true if x and y are not identical
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x > y
|
Returns true if x is greater than y
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|
x >= y
|
Returns true if x is greater than or equal to y
|
|
x < y
|
Returns true if x is less than y
|
|
x <= y
|
Returns true if x is less than or equal to y
|
|
x && y
|
Returns true if both x and y are true
|
|
x || y
|
Returns true if either x or y are true
|
|
!x
|
Returns true if x is false
|
|
pop()
|
Removes the last item from the array
|
|
shift()
|
Removes the first item from the array
|
|
.html()
|
Retrieve or replaces the HTML inside the selection
|
|
.text()
|
Works like .html() but does not accept HTML tags
|
|
.append()
|
Adds HTML as the last child element of the selected element
|
|
.prepend()
|
Like .append(), but adds HTML directly after the opening tag for the selection
|
|
.before()
|
Add HTML outside of a selection, just before the selected element
|
|
.after()
|
Add HTML outside of a selection, just after the selected element
|
|
.remove()
|
Completely remove a selected element
|
|
.replaceWith()
|
Completely replace selected element
|
|
.addClass
|
Adds a specified class to an element
|
|
.removeClass
|
Removes a specified class from an element
|
|
.toggleClass()
|
Add a class if it doesn't already exist, or remove the class if it does
|
|
.css()
|
Lets you directly read or change CSS properties of an element
|
|
.attr()
|
Reads a specified HTML attribute from a tag. Sets the specified HTML attribute if a second argument is passed.
|
|
.removeAttr()
|
Completely removes an attribute from a tag.
|
|
.each()
|
To loop through selection of elements with your own anonymous function.
|
|
:even and :odd
|
Selects every other element in a group
|
|
:first and :last
|
Selects the first or the last element in a group
|
|
:not()
|
to find elements that don't match a particular selctor type
|
|
:has()
|
finds elements that contain another selector
|
|
:contains()
|
Finds elements that contain specific text
|
|
:hidden
|
Locates elements that are hidden
|
|
:visible
|
Locates elements that are visible
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you got a mistake there, length does not add a value to an array. :(
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