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Sheet.DOM.js
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Sheet.DOM.js
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/*
---
name : Sheet.DOM
description : Sheet.DOM adds some handy stuff for working with the browser's native CSS capabilities.
authors : Thomas Aylott
copyright : © 2010 Thomas Aylott
license : MIT
provides : Sheet.DOM
...
*/
;(function(document,styleSheets){
if (typeof Sheet == 'undefined') Sheet = {}
if (Sheet.DOM == null) Sheet.DOM = {}
Sheet.DOM.createSheet = function(raw){
var oldLength = styleSheets.length
, style
, sheet
if (document.createStyleSheet){
document.createStyleSheet()
styleSheets[styleSheets.length - 1].cssText = raw
}
if (oldLength >= styleSheets.length){
style = document.createElement('style')
style.setAttribute('type','text/css')
style.appendChild(document.createTextNode(raw))
document.getElementsByTagName('head')[0].appendChild(style)
}
if (oldLength >= styleSheets.length){
style = document.createElement('div')
style.innerHTML = '<style type="text/css">' + String_escapeHTML.call(raw) + '</style>'
document.getElementsByTagName('head')[0].appendChild(style)
}
if (oldLength >= styleSheets.length)
throw new Error('no styleSheet added :(')
sheet = styleSheets[styleSheets.length - 1]
sheet.cssText = raw
return sheet
}
Sheet.DOM.createStyle = function(raw){
var div = document.createElement('div')
div.innerHTML = '<p style="' + String_escapeHTML.call(raw) + '"></p>'
return {style:div.firstChild.style}
}
function String_escapeHTML(){
return ('' + this).replace(/&/g,'&').replace(/</g,'<').replace(/"/g,'"')
}
}(document, document.styleSheets));