字符串转成数字的多种方式

如下

typeof Number(\'44.5\');
typeof parseInt(\'44.5\');
typeof parseFloat(\'44.5\');
typeof (\'44.5\'-0);
typeof +\'44.5\';
typeof (\'44.5\'*1);
typeof ~~\'44.5\';//http://james.padolsey.com/javascript/double-bitwise-not/
typeof \'44.5\'|0

还有其它的吗？