From da78a9e329e272dedb2400b79a3bdeebff387d47 Mon Sep 17 00:00:00 2001 From: Peter Bengtsson Date: Tue, 8 Dec 2020 14:42:17 -0500 Subject: initial commit --- .../global_objects/function/displayname/index.html | 123 +++++++++++++++++++++ 1 file changed, 123 insertions(+) create mode 100644 files/id/web/javascript/reference/global_objects/function/displayname/index.html (limited to 'files/id/web/javascript/reference/global_objects/function/displayname/index.html') diff --git a/files/id/web/javascript/reference/global_objects/function/displayname/index.html b/files/id/web/javascript/reference/global_objects/function/displayname/index.html new file mode 100644 index 0000000000..952014983b --- /dev/null +++ b/files/id/web/javascript/reference/global_objects/function/displayname/index.html @@ -0,0 +1,123 @@ +--- +title: Function.displayName +slug: Web/JavaScript/Reference/Global_Objects/Function/displayName +tags: + - Function + - JavaScript + - Property +translation_of: Web/JavaScript/Reference/Global_Objects/Function/displayName +--- +
{{JSRef}} {{non-standard_header}}
+ +

Properti function.displayName mengembalikan nama fungsi.

+ +

Deskripsi

+ +

Ketika didefinisikan, properti displayName mengembalikan nama dari sebuah fungsi:

+ +
function doSomething() {}
+
+console.log(doSomething.displayName); // "undefined"
+
+var popup = function(content) { console.log(content); };
+
+popup.displayName = 'Show Popup';
+
+console.log(popup.displayName); // "Show Popup"
+
+ +

Anda bisa mendefinisikan sebuah fungsi dengan sebuah display nama di {{jsxref("Functions", "function expression", "", 1)}}:

+ +
var object = {
+  someMethod: function() {}
+};
+
+object.someMethod.displayName = 'someMethod';
+
+console.log(object.someMethod.displayName); // logs "someMethod"
+
+try { someMethod } catch(e) { console.log(e); }
+// ReferenceError: someMethod is not defined
+
+ +

Anda bisa merubah  displayName dari sebuah fungsi secara dinamis:

+ +
var object = {
+  // anonymous
+  someMethod: function(value) {
+    this.displayName = 'someMethod (' + value + ')';
+  }
+};
+
+console.log(object.someMethod.displayName); // "undefined"
+
+object.someMethod('123')
+console.log(object.someMethod.displayName); // "someMethod (123)"
+
+ +

Contoh

+ +

Biasanya lebih banyak digunakan dengan console dan profiler melalui {{jsxref("Function.name", "func.name")}} untuk menampilkan nama function.

+ +

Dengan menuliskan kode berikut, maka seharusnya akan menampilkan "function My Function()":

+ +
var a = function() {};
+a.displayName = 'My Function';
+
+a; // "function My Function()"
+ +

Spesifikasi

+ +

Bukan bagian dari spesifikasi.

+ +

Kompabilitas browser

+ +
{{CompatibilityTable}}
+ +
+ + + + + + + + + + + + + + + + + + + +
FeatureChromeFirefox (Gecko)Internet ExplorerOperaSafari
Basic support{{CompatUnknown}}{{CompatGeckoDesktop(13)}}{{CompatUnknown}}{{CompatUnknown}}{{CompatUnknown}}
+
+ +
+ + + + + + + + + + + + + + + + + + + + + +
FeatureAndroidChrome for AndroidFirefox Mobile (Gecko)IE MobileOpera MobileSafari Mobile
Basic support{{CompatUnknown}}{{CompatUnknown}}{{CompatUnknown}}{{CompatUnknown}}{{CompatUnknown}}{{CompatUnknown}}
+
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