function(str, $parent) {
	if (!str) {
		return 0;
	}

	if (!Selectize.$testInput) {
		Selectize.$testInput = $('<span />').css({
			position: 'absolute',
			top: -99999,
			left: -99999,
			width: 'auto',
			padding: 0,
			whiteSpace: 'pre'
		}).appendTo('body');
	}

	Selectize.$testInput.text(str);

	transferStyles($parent, Selectize.$testInput, [
		'letterSpacing',
		'fontSize',
		'fontFamily',
		'fontWeight',
		'textTransform'
	]);

	return Selectize.$testInput.width();
}
function(str, $parent) {
	if (!str) {
		return 0;
	}

	if (!Selectize.$testInput) {
		Selectize.$testInput = $('<span />').css({
			position: 'absolute',
			top: -99999,
			left: -99999,
			width: 'auto',
			padding: 0,
			whiteSpace: 'pre'
		}).appendTo('body');
	}

	Selectize.$testInput.text(str);

	transferStyles($parent, Selectize.$testInput, [
		'letterSpacing',
		'fontSize',
		'fontFamily',
		'fontWeight',
		'textTransform'
	]);

	return Selectize.$testInput.width();
}
function ( str , $parent ) { if ( ! str ) { return 0 ; } if ( ! Selectize . $testInput ) { Selectize . $testInput = $ ( '<span />' ) . css ( { position : 'absolute' , top : - 99999 , left : - 99999 , width : 'auto' , padding : 0 , whiteSpace : 'pre' } ) . appendTo ( 'body' ) ; } Selectize . $testInput . text ( str ) ; transferStyles ( $parent , Selectize . $testInput , [ 'letterSpacing' , 'fontSize' , 'fontFamily' , 'fontWeight' , 'textTransform' ] ) ; return Selectize . $testInput . width ( ) ; }
Measures the width of a string within a
parent element (in pixels).

@param {string} str
@param {object} $parent
@returns {int}
Measures the width of a string within a parent element ( in pixels ) .