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sinslav/jquery text width coffeeScript

Created November 17, 2015 15:01
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jquery text width coffeeScript
$.fn.textWidth = (text, font) ->
if (!$.fn.textWidth.fakeEl)
$.fn.textWidth.fakeEl = $('<span>').css("white-space", "pre").hide().appendTo(document.body)
$.fn.textWidth.fakeEl.text(text or this.val() or this.text()).css('font', font or this.css('font'))
return $.fn.textWidth.fakeEl.width()
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