大狼の窝的技术专栏

function getFileSize (fileName) {    window.oldOnError = window.onerror;    window.onerror = function (err) {      if (err.indexOf(utomation) != -1) {        alert(fil

//by jhs//target:    trim left or right space//Parameter: str //return:    (str)function trimSpace(str){     return str.replace(/(^/s*)|(/s*$)/g,"");}//target:    must be input//Parameter: id---the