Created
August 26, 2014 18:34
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Hashtbl values disappearing in Safari
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| <!DOCTYPE html> | |
| <!-- | |
| This code is in the public domain. | |
| --> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="utf-8"> | |
| <script type="text/javascript" defer="defer" src="min.js"></script> | |
| <title>Vgr_htmlc minimal example</title> | |
| </head> | |
| <body> | |
| </body> | |
| </html> |
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| (* This code is in the public domain. | |
| Compile with: | |
| ocamlfind ocamlc \ | |
| -package js_of_ocaml,js_of_ocaml.syntax \ | |
| -syntax camlp4o -linkpkg -o min.byte min.ml && \ | |
| js_of_ocaml min.byte && \ | |
| reload-browser file://`pwd`/min.html | |
| *) | |
| let now () = (jsnew Js.date_now () ## getTime ()) /. 1000. | |
| let setup_log () = | |
| let log = Dom_html.(createDiv document) in | |
| let add_entry s = | |
| let e = Dom_html.(createP document) in | |
| e ## innerHTML <- Js.string s; | |
| Dom.insertBefore log e (log ## firstChild) | |
| in | |
| Dom.appendChild (Dom_html.document ## body) log; | |
| Sys_js.set_channel_flusher stdout add_entry; | |
| Sys_js.set_channel_flusher stderr add_entry; | |
| () | |
| let h : (string, int) Hashtbl.t = Hashtbl.create 47 | |
| let () = Hashtbl.add h "key" 3 | |
| let down _ e = | |
| Printf.printf "%f: Looking up... " (now ()); | |
| begin try ignore (Hashtbl.find h "key"); Printf.printf "found\n%!"; with | |
| | Not_found -> Printf.printf "NOT FOUND\n%!" | |
| end; | |
| Js._false | |
| let main _ = | |
| let t = (Dom_html.window :> Dom_html.eventTarget Js.t) in | |
| let e = Dom_html.Event.keydown in | |
| ignore (Dom.addEventListener t e (Dom.full_handler down) Js._false); | |
| setup_log (); | |
| Js._false | |
| let () = Dom_html.window ## onload <- Dom_html.handler main |
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