Represents a JavaScript object. Provides access to the object's properties and functions. JavaScript object is alive until its JavaScript execution context exist. Once execution context is disposed, all JavaScript objects available in scope of this context will be automatically disposed. If you try to access already disposed object, you will get InvalidOperationException.
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bool | HasProperty (string name) |
| Checks whether JavaScript object has property or function with the given name. More...
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JSValue | GetProperty (string name) |
| Returns value of specified JavaScript object's property with the given name. The name parameter represents name of the current JavaScript object property or function. More...
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bool | SetProperty (string name, object value) |
| Sets a new property with the given name or modifies existing one in the current JavaScript object and returns true if the property with name was created or updated successfully. The name parameter represents JavaScript object's property name. The value can be one of the following types: String, Boolean, Integer, Long, Short, Byte, Double, Float, Object[], int, boolean, long, short, byte, double, float, Object, JSONString, JSFunctionCallback. More...
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bool | SetProperty (int index, object value) |
| Sets a new property with the given index or modifies existing one in the current JavaScript object and returns true if the property with the given index was created or updated successfully. More...
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bool | RemoveProperty (string name) |
| Removes property with the given name in the current JavaScript object and returns true if the property was successfully removed. Once you remove key, it will not be available in the current JavaScript object anymore. More...
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List< string > | GetPropertyNames () |
| Returns a list containing the names of the properties of this object, including properties from prototype objects. More...
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List< string > | GetOwnPropertyNames () |
| Returns a list containing the names of the properties of this object, excluding properties from prototype objects. More...
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override bool | IsObject () |
| Indicates whether JavaScript value is an object. If this method returns true, then the value can be casted to JSObject type. For example: More...
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override bool | IsDotNetObject () |
| Indicates whether JavaScript value is an .NET object. If this method returns true, then the value can be cast to .NET object type. For example: More...
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override JSObject | AsObject () |
| Casts the current JavaScript object to JSObject type. More...
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override object | AsDotNetObject () |
| Casts the current JavaScript object to .NET object type. More...
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string | ToJSONString () |
| Returns text representation of JavaScript object. The equivalent of JSON.stringify() without parameters. More...
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virtual bool | IsUndefined () |
| Indicates whether JavaScript value is undefined. More...
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virtual bool | IsFunction () |
| Indicates whether JavaScript value is a function. If this method returns true, then the value can be casted to JSFunction type. For example: More...
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virtual bool | IsNull () |
| Indicates whether JavaScript value is NULL. More...
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bool | IsTrue () |
| Indicates whether JavaScript value represents bool TRUE value. More...
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bool | IsFalse () |
| Indicates whether JavaScript value represents bool FALSE value. More...
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virtual bool | IsString () |
| Indicates whether JavaScript value is a string. If this method returns true, then the value can be casted to JSString type. For example: More...
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virtual bool | IsJSON () |
| Indicates whether JavaScript value is a string in JSON format. More...
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virtual bool | IsBool () |
| Indicates whether JavaScript value is a boolean value. If this method returns true, then the value can be casted to JSBoolean type. For example: More...
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virtual bool | IsNumber () |
| Indicates whether JavaScript value is a number value which equals to double type. If this method returns true, then the value can be casted to JSNumber type. For example: More...
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virtual bool | IsArray () |
| Indicates whether JavaScript value is an array. If this method returns true, then the value can be casted to JSArray type. For example: More...
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virtual bool | IsBooleanObject () |
| Indicates whether JavaScript value is a JSBoolean object. If this method returns true, then the value can be casted to JSBooleanObject type. For example: More...
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virtual bool | IsNumberObject () |
| Indicates whether JavaScript value is a Number object. If this method returns true, then the value can be casted to JSNumberObject type. For example: More...
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virtual bool | IsStringObject () |
| Indicates whether JavaScript value is a String object. If this method returns true, then the value can be casted to JSStringObject type. For example: More...
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virtual JSBoolean | AsBoolean () |
| Casts the current JavaScript object to JSBoolean type. If the current object doesn't represent a Boolean object, the InvalidCastException error is thrown. More...
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virtual JSFunction | AsFunction () |
| Casts the current JavaScript object to JSFunction type. If the current object doesn't represent a function, the InvalidCastException error is thrown. More...
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virtual JSBooleanObject | AsBooleanObject () |
| Casts the current JavaScript object to JSBooleanObject type. If the current object doesn't represent a Boolean object, the InvalidCastException error is thrown. More...
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virtual JSNumber | AsNumber () |
| Casts the current JavaScript object to JSNumber type. If the current object doesn't represent a number value, the InvalidCastException error is thrown. More...
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virtual JSNumberObject | AsNumberObject () |
| Casts the current JavaScript object to JSNumberObject type. If the current object doesn't represent a Number object, the InvalidCastException error is thrown. More...
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virtual JSArray | AsArray () |
| Casts the current JavaScript object to JSArray type. If the current object doesn't represent an array, the InvalidCastException error is thrown. More...
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virtual JSString | AsString () |
| Casts the current JavaScript object to JSString type. If the current object doesn't represent a string value, the InvalidCastException error is thrown. More...
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virtual JSStringObject | AsStringObject () |
| Casts the current JavaScript object to JSStringObject type. If the current object doesn't represent a String object, the InvalidCastException error is thrown. More...
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virtual bool | GetBool () |
| Returns boolean value of the current JavaScript object if object represents a primitive boolean or Boolean object, otherwise throws InvalidOperationException. More...
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virtual double | GetNumber () |
| Returns number value of the current JavaScript object if object represents a primitive number or Number object, otherwise throws InvalidOperationException. More...
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virtual string | GetString () |
| Returns string value of the current JavaScript object if object represents a primitive string or String object, otherwise throws InvalidOperationException. More...
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Represents a JavaScript object. Provides access to the object's properties and functions. JavaScript object is alive until its JavaScript execution context exist. Once execution context is disposed, all JavaScript objects available in scope of this context will be automatically disposed. If you try to access already disposed object, you will get InvalidOperationException.
bool DotNetBrowser.JSObject.SetProperty |
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string |
name, |
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object |
value |
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Sets a new property with the given name or modifies existing one in the current JavaScript object and returns true if the property with name was created or updated successfully. The name parameter represents JavaScript object's property name. The value can be one of the following types: String, Boolean, Integer, Long, Short, Byte, Double, Float, Object[], int, boolean, long, short, byte, double, float, Object, JSONString, JSFunctionCallback.
- Parameters
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name | string that represents name of the property. Cannot be null or empty. |
value | a new value associated with the property with the given name. Cannot be null or JSObject with a different JavaScript context. |
- Returns
- true when property with name was created or updated successfully.
- Exceptions
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ArgumentException | when name is null or empty. |
ArgumentException | when value is null or represents JSObject with a different JavaScript context. |
InvalidOperationException | when object is already disposed or invalid. |
bool DotNetBrowser.JSObject.SetProperty |
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int |
index, |
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object |
value |
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) |
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Sets a new property with the given index or modifies existing one in the current JavaScript object and returns true if the property with the given index was created or updated successfully.
The index parameter represents JavaScript object's property index. Via the property index you can access its value. The value can be one of the following types: string, int, boolean, long, short, byte, double, float, object, objec[], JSONString, JSFunctionCallback.
As a property value you can set an instance of Object type. In this case the .NET object will be automatically converted/wrapped into JavaScript object. You can call .NET object's public methods directly from JavaScript code.
- Parameters
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index | int that represents index of the property. |
value | a new value associated with the property with the given index. Cannot be null or JSObject with a different JavaScript context. |
- Returns
- true when property with index was created or updated successfully.
- Exceptions
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ArgumentException | when index is negative. |
ArgumentException | when value is null or represents JSObject with a different JavaScript context. |
InvalidOperationException | when object is already disposed or invalid. |