From 95aca4b4d8fa62815d4bd412fff1a364f842814a Mon Sep 17 00:00:00 2001 From: Ryan Johnson Date: Thu, 29 Apr 2021 16:16:42 -0700 Subject: remove retired locales (#699) --- .../global_objects/function/caller/index.html | 124 --------------------- 1 file changed, 124 deletions(-) delete mode 100644 files/ca/web/javascript/reference/global_objects/function/caller/index.html (limited to 'files/ca/web/javascript/reference/global_objects/function/caller/index.html') diff --git a/files/ca/web/javascript/reference/global_objects/function/caller/index.html b/files/ca/web/javascript/reference/global_objects/function/caller/index.html deleted file mode 100644 index 613e163d6a..0000000000 --- a/files/ca/web/javascript/reference/global_objects/function/caller/index.html +++ /dev/null @@ -1,124 +0,0 @@ ---- -title: Function.caller -slug: Web/JavaScript/Reference/Global_Objects/Function/caller -translation_of: Web/JavaScript/Reference/Global_Objects/Function/caller ---- -
{{JSRef}} {{non-standard_header}}
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La propietat function.caller retorna la funció que ha invocat la funció especificada.

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Descripció

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SI la funció f ha estat invocada pel codi de nivell superior, el valor de f.caller és {{jsxref("null")}}, sinó és la funció que ha cridat f.

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Aquesta propietat reemplaça la propietat obsoleta {{jsxref("Functions/arguments/caller", "arguments.caller")}} de l'objecte {{jsxref("Functions/arguments", "arguments")}}.

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La propietat especial __caller__, la qual retorna l'objecte activatwhich returned the activation object of the caller thus allowing to reconstruct the stack, was removed for security reasons.

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Notes

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Vegeu que en cas de recursió, no podeu reconstruir la pila de crida fent servir aquesta propietat. C that in case of recursion, you can't reconstruct the call stack using this property. Tingueu en compte:

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function f(n) { g(n - 1); }
-function g(n) { if (n > 0) { f(n); } else { stop(); } }
-f(2);
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At the moment stop() is called the call stack will be:

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f(2) -> g(1) -> f(1) -> g(0) -> stop()
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El següent és cert:

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stop.caller === g && f.caller === g && g.caller === f
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so if you tried to get the stack trace in the stop() function like this:

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var f = stop;
-var stack = 'Stack trace:';
-while (f) {
-  stack += '\n' + f.name;
-  f = f.caller;
-}
-
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El bucle mai s'aturaria.

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Exemples

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Checking the value of a function's caller property

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El codi següent comprova que el valor following code checks the value a function's caller property.

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function myFunc() {
-  if (myFunc.caller == null) {
-    return 'The function was called from the top!';
-  } else {
-    return 'This function\'s caller was ' + myFunc.caller;
-  }
-}
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Especificacions

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No forma part de cap especificació. Implementat en JavaScript 1.5.

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Compatibilitat amb navegadors

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{{CompatibilityTable}}
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CaracterísticaChromeFirefox (Gecko)Internet ExplorerOperaSafari
Suport bàsic{{CompatVersionUnknown}}{{CompatGeckoDesktop("1.0")}}8.0{{CompatVersionUnknown}}{{CompatVersionUnknown}}
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CaracterísticaAndroidChrome per AndroidFirefox Mobile (Gecko)IE MobileOpera MobileSafari Mobile
Suport bàsic{{CompatVersionUnknown}}{{CompatVersionUnknown}}{{CompatGeckoMobile("1.0")}}{{CompatVersionUnknown}}{{CompatVersionUnknown}}{{CompatVersionUnknown}}
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Vegeu també

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