This page tests that the length of an element's string is implicitly limited to 524288 characters. http://bugs.webkit.org/show_bug.cgi?id=14388 Attempting to insert 0 characters. PASS Attempting to insert 5 characters. PASS Attempting to insert 1025 characters. PASS Attempting to insert 524287 characters. PASS Attempting to insert 524288 characters. PASS Attempting to insert 524289 characters. PASS Attempting to insert 530000 characters. PASS