EyeDropper
Limited availability
This feature is not Baseline because it does not work in some of the most widely-used browsers.
Secure context: This feature is available only insecure contexts (HTTPS), in some or allsupporting browsers.
Experimental:This is anexperimental technology
Check theBrowser compatibility table carefully before using this in production.
TheEyeDropper interface represents an instance of an eyedropper tool that can be opened and used by the user to select colors from the screen.
In this article
Constructor
EyeDropper()ExperimentalReturns a new
EyeDropperinstance.
Instance methods
TheEyeDropper interface doesn't inherit any methods.
EyeDropper.open()ExperimentalReturns a promise that resolves to an object that gives access to the selected color.
Examples
>Opening the eyedropper tool and sampling a color
This example shows how to open an eyedropper tool and wait for the user to either select a pixel from the screen, or pressEscape to cancel the eyedropper mode.
HTML
<button>Open the eyedropper</button> <span></span>JavaScript
document.getElementById("start-button").addEventListener("click", () => { const resultElement = document.getElementById("result"); if (!window.EyeDropper) { resultElement.textContent = "Your browser does not support the EyeDropper API"; return; } const eyeDropper = new EyeDropper(); eyeDropper .open() .then((result) => { resultElement.textContent = result.sRGBHex; resultElement.style.backgroundColor = result.sRGBHex; }) .catch((e) => { resultElement.textContent = e; });});Result
Aborting the eyedropper mode
This example shows that the eyedropper mode can also be aborted before the user has selected a color or pressedEscape.
HTML
<button>Open the eyedropper</button> <span></span>JavaScript
document.getElementById("start-button").addEventListener("click", () => { const resultElement = document.getElementById("result"); if (!window.EyeDropper) { resultElement.textContent = "Your browser does not support the EyeDropper API"; return; } const eyeDropper = new EyeDropper(); const abortController = new AbortController(); eyeDropper .open({ signal: abortController.signal }) .then((result) => { resultElement.textContent = result.sRGBHex; resultElement.style.backgroundColor = result.sRGBHex; }) .catch((e) => { resultElement.textContent = e; }); setTimeout(() => { abortController.abort(); }, 2000);});Result
Specifications
| Specification |
|---|
| EyeDropper API> # eyedropper-interface> |