代码如下: /* * 从新浪微博上抄的 * */ var getLength = (function(){ var trim = function(h) { try { return h.replace(/^\s+|\s+$/g, “”) } catch(j) { return h } } var byteLength = function(b) { if (typeof b == “undefined”) { return 0 } var a = b.match(/[^\x00-\x80]/g); return (b.length + (!a ? 0 : a.length)) }; retu
