javascript - How can I find the width and height of a specific word within a string? -

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i'm trying replace specific class-less word, not entire string, form of same height (or font-size) , width. want work if change css. here code: 

var magicword = "abracadabra";  var width = $('#words').width(); var height = $('#words').height();  var x = width + "px";  var y = height + "px";   $('html').append("<form><input type='text' style='width: "+x+"; height: "+y+"; font-family: courier;'></form>")

here updated fiddlicious. figured out myself using replace(). more efficient awarded coveted green check mark.

you have have dom identifier word. can change :-

<span id ="words">here bunch of <span> abracadabra </span> </span>

and javascript 

var magicword = "abracadabra";  var width = $('#words span').width(); var height = $('#words span').height();  var x = width + "px";   var y = height + "px"   $('html').append("<form><input type='text' style='width: "+x+"; height: "+y+"; font-      family: courier;'></form>")

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