html5
HTML5 is the fifth revision of HTML, in October 2014 by the World Wide Web Consortium (W3C) standards completed.
HTML5 is designed to support multimedia on a mobile device . So the mainstream browsers support h5 (chorme, firefox, safari, opera) ie9 support h5 (selective support), but ie8 and below is not supported.
html5 changed how users interact and documents: canvas video, audio, for painting: Multimedia
html5 added other new features: semantic features, local storage features, web multimedia, 2D3D, special effects (transitions, animations)
h5 relatively h4: increases and delete, page structure, the code is more concise
Semantic properties
Add semantic tags
ie9 block elements will resolve to the row-level element, resulting in the height settings take effect, at this time only need to block-level elements to an element.
ie8 do not support semantic tags, can be solved by the following methods:
Method 1: Manually create a label:
<Script>
/ * manually create a label, the label type is a default line-level, to be converted into block-level * /
document.createElement ( "header" );
</ Script>
Second way: introducing html5shiv.min.js achieve compatible
The new property
The new type attribute
E-mail - email: @ contains requirements and server address
Telephone - tel: pop-up numeric keypad on the mobile side, restrict users to enter numbers
Website - url: Verify can only enter a valid URL requirements include http: //
Number - number: numerical only (including a decimal point), the input of other character; max min value may be provided
Product Name - search: you can provide a more personalized input experience
Range - range
Color Picker - color
By Date:
time - minutes and seconds
data - date
datatime - most browsers do not support, safari support
datatime-local - date + time
month - the month
week - week
Other new properties
placeholder: Tips placeholder
autofocus: automatic gain focus
autocomplete: automatically. Open on-, off- closed. Use two conditions: 1, 2 has been successfully submitted, the current element must have a name attribute
required : Requirements must be entered
pattern: regular expression validation
multiple: multiple choice, generally used for uploading files and mailboxes fill