javascript - How to set focus on the last element for which the window pop ups on error -
on checking field against validations, if validation fails , pop window opened.now when close pop pop should return focus last element(in case more 1 validation fails more 1 text field). suggestions ? code is:-
function submitformfinal(frm) { var message; var inputs = frm.getelementsbytagname("input"); (var i=0; < inputs.length; i++) { if (inputs[i].getattribute('type') == 'text') { if(!checkspecialchars(inputs[i].value)) { message = " special characters found in element = '"; message += inputs[i].getattribute('name') + "'\n"; // alert(message); // createpopup(message); mypopupwin(message); } } } // return true; } function checkspecialchars(fileonlyname) { if ((/[^a-z0-9\.]/gi).test(fileonlyname)) { return false; } return true; } function mypopupwin(message) { var imywidth; var imyheight; //half screen width minus half new window width (plus 5 pixel borders). imywidth = (window.screen.width/2) - (75 + 10); //half screen height minus half new window height (plus title , status bars). imyheight = (window.screen.height/2) - (100 + 50); //open window. var generator = window.open(); document.onclick=function() { try{ generator.focus(); return false } catch(e){} } generator.document.write('<html><head><title>pop up</title>'); generator.document.write('<p style="color:#c52b27;">'); generator.document.write(message); generator.document.write('</p>'); generator.document.write('</head><body>'); generator.document.write('<a href="javascript:self.close()"><img src="/img/save_orange.gif" border=0"> <\/a>'); generator.document.write('</body></html>'); generator.document.close(); }
in code, use:
mypopupwin(message); <- existing line inputs[i].focus() 
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