hzgang的专栏

function trim(s) {     return s.replace(/^\s+|\s+$/g, ""); } function ltrim(s) {     return s.replace(/^\s+/, ""); } function rtrim(stringToTrim) {     return stringToTrim.replace(/\s+$/, "

jQuery中$与$()的区别?  Javascript代码 jQuery = window.jQuery = window.$ = function( selector, context ) {    1.        // The jQuery object is actually just the init constructor 'enhanced'    2.