javascript - getComputedStyle or currentStyle for border-left-width -

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my html : <div id="bar" ></div>

my css :

#bar {     border-left-width:150px; }

my js :

function getstyle(el,styleprop) {     if(el.currentstyle)var y=el.currentstyle[styleprop];     else if(window.getcomputedstyle)var y=document.defaultview.getcomputedstyle(el,null).getpropertyvalue(styleprop);     return y; }  alert(getstyle(document.getelementbyid("bar"),"border-left-width"));//outputs 0px

the fiddle : http://jsfiddle.net/4abhz/1

how can border-left-width property? (with exemple it's not working (on firefox))

check border-left-style property. it's set none (the default). set solid , you're go: http://jsfiddle.net/paulpro/4abhz/4/


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