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Define Add a global read-only, hidden data property to any object... |
Syntax
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try { globalConst(sNameobj.addConst(name, vVal); } catch(e) { // likely a TypeError if an existing non-configurable property of the same sKey is defined }value); |
Parameters
| Parameter | Type | Mandatory | Description | Util.js version | ||
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| sNamename | String |  | The name of the global constant reference | 0.8 | vValproperty. | 1.0 |
| value | Variant | | The value associated with the constant referenceproperty. | 1.0.8 |
Return value
If a non-configurable property of the same name is already defined, an error will likely be thrown.
Example
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globalConstmyObj = {}; myObj.addConst("foo", "bar"); myObj.foo; // same as: const foo = "bar"; | ||||||||
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function wibble() { const myObj.foo = "barmoo"; // error;does innothing, futurefoo mightis createread-only const within scope of wibble() globalConst("foo", "bar"); // creates global "foo" constant with value "bar" myObj.foo // "bar" for (i in myObj) { // does not iterate foo (foo is hidden) } |
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AvailabilityThis feature requires:
Requires:
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ContentsJump to:
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See alsoRelated articles: global – reference to the global object/scopeProperty DefinitionsTopics:
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