HTML DOM Window self( ) Property
The Window self() property is used for returning the current window. It is generally used for comparison purposes while using other functions such as top().
It is a read-only property and it returns a reference to the Window object itself.
Syntax:
window.self
Return Value: Return reference of the Window object.
Below program illustrates the Window self() property:
Using Window self() property for comparison with the window top() property.
html
<!DOCTYPE> < html > < head > < title > Window self() property in HTML </ title > < style > h1 { color: green; } h2 { font-family: Impact; } body { text-align: center; } </ style > </ head > < body > < h1 >w3wiki</ h1 > < h2 >Window self() Property</ h2 > < p > For checking whether the window is the topmost window or not, double click the "Check Top Window" button: </ p > < button ondblclick = "Window()" > Check Top Window </ button > < p id = "MyWindow" ></ p > < script > function Window() { if (window.top = window.self) { document.getElementById("MyWindow").innerHTML = "This window is the topmost window."; } else { document.getElementById("demo").innerHTML = "This window is not the topmost window."; } } </ script > </ body > </ html > |
Output:
After clicking the button
Supported Browsers: The browser supported by Window self( ) Property are listed below:
- Google Chrome 1 and above
- Edge 12 and above
- Internet Explorer 4 and above
- Firefox 1 and above
- Opera 12.1 and above
- Safari 3 and above
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