(nodeName)
| 427 | // Try to determine the default display value of an element |
| 428 | |
| 429 | function css_defaultDisplay(nodeName) { |
| 430 | var doc = document, |
| 431 | display = elemdisplay[nodeName]; |
| 432 | |
| 433 | if (!display) { |
| 434 | display = actualDisplay(nodeName, doc); |
| 435 | |
| 436 | // If the simple way fails, read from inside an iframe |
| 437 | if (display === "none" || !display) { |
| 438 | // Use the already-created iframe if possible |
| 439 | iframe = (iframe || |
| 440 | jQuery("<iframe frameborder='0' width='0' height='0'/>") |
| 441 | .css("cssText", "display:block !important") |
| 442 | ).appendTo(doc.documentElement); |
| 443 | |
| 444 | // Always write a new HTML skeleton so Webkit and Firefox don't choke on reuse |
| 445 | doc = (iframe[0].contentWindow || iframe[0].contentDocument).document; |
| 446 | doc.write("<!doctype html><html><body>"); |
| 447 | doc.close(); |
| 448 | |
| 449 | display = actualDisplay(nodeName, doc); |
| 450 | iframe.detach(); |
| 451 | } |
| 452 | |
| 453 | // Store the correct default display |
| 454 | elemdisplay[nodeName] = display; |
| 455 | } |
| 456 | |
| 457 | return display; |
| 458 | } |
| 459 | |
| 460 | // Called ONLY from within css_defaultDisplay |
| 461 |
no test coverage detected