= function (message, url, line) { alert([ "JavaScript error: " + message, " on line " + line, " for " + url ].join("")); return false; // false ။᠃㗞ੜࡨޡɺtrue ଇ။ᆫࡨޡ }; ấ↪ẕ֥ቋᗥ၂֡ٝ䍛 ჩߟࢿྉɿhttp://dev.opera.com/articles/view/better-error-handling-with-window-onerror/ ࿅शɿhttp://f2eclass.com/lab/debug/window-onerror.html