| <!doctype html> |
| <title>Defer Script Execution Order</title> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <script src="../resources/testharness.js"></script> |
| <script src="../resources/testharnessreport.js"></script> |
| </head> |
| <body> |
| <pre id="scriptlog"></pre> |
| <script> |
| setup({single_test: true}); |
| |
| function log(msg) { |
| document.getElementById("scriptlog").textContent += msg + ";"; |
| } |
| function checkIfReachedBodyEnd() { |
| const endelement = document.getElementById("bodyend"); |
| if (endelement && endelement.textContent === "End") { |
| log("EndOfBody"); |
| endelement.textContent = "Detected"; |
| } |
| } |
| function logScript(msg) { |
| checkIfReachedBodyEnd(); |
| log(msg); |
| } |
| function finish() { |
| const actual = document.getElementById("scriptlog").textContent; |
| const normal = "Inline1;Sync1;Inline2;Sync2;EndOfBody;Defer1;Defer2;DOMContentLoaded;"; |
| <!-- Force defer order would be: "EndOfBody;Inline1;Sync1;Inline2;Sync2;Defer1;Defer2;DOMContentLoaded;" --> |
| assert_equals(actual, normal, "Normal defer script execution order comparison"); |
| done(); |
| } |
| logScript("Inline1"); |
| window.addEventListener("load", finish); |
| document.addEventListener("DOMContentLoaded", function() { logScript("DOMContentLoaded"); }); |
| </script> |
| |
| <script src="resources/sync-script-1.js"></script> |
| <script src="resources/defer-script-1.js" defer></script> |
| <script> |
| logScript("Inline2"); |
| </script> |
| <script src="resources/defer-script-2.js" defer></script> |
| <script src="resources/sync-script-2.js"></script> |
| <pre id="bodyend">End</pre> |
| </body> |
| </html> |
