Because the FCK editor differs from other TEXTAREA file input boxes, it is not the same that all of them should be judged to be empty.
var oeditor = fckeditorapi.getinstance (' content '); The content here is the ID value of the FCK if (GetLength ("content") <=0) { Alert (' content cannot be empty! '); Oeditor.focus (); return false; }
function GetLength (str) { var oeditor = fckeditorapi.getinstance (str); var checkcontent= oeditor.editordocument; var contentlength; if (document.all) { Contentlength= Checkcontent.body.innertext.trim (). length; } else{ var r = Checkcontent.createrange (); R.selectnodecontents (Checkcontent.body); Contentlength= r.tostring (). Trim (). length; } return contentlength; } Remove whitespace from a string
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