Get styles in inline and links (js code)_javascript tips

var head = document.getElementById( "box" );
// alert( head.style.background )
// alert( head.style.cssFloat || head.style.styleFloat ) // Getting float is different
// head.style.fontSize = "30px"
head.style.color = "#f00";
// (typeof head.style.cssFloat != "undefined" ) ? head.style.cssFloat = "right" : head.style.styleFloat = " right" cross-browser setting float
// var style = ( window.getComputedStyle ? window.getComputedStyle( head,null ) : null ) || head.currentStyle; cross-browser to obtain the calculated style
// alert( style.fontSize )
// This way you can get inline and link
// Because the calculated style will reside in the browser's calculated style, you can get