Limited availability
The command property of the HTMLButtonElement interface gets and sets the action to be performed on an element being controlled by this button. For this to have an effect, commandfor must be set.
It reflects the command HTML attribute.
A string. See the command attribute for valid values.
<button id="toggleBtn" commandfor="mypopover" command="toggle-popover">
Toggle popover
</button>
<div popover id="mypopover">
<button commandfor="mypopover" command="hide-popover">Hide popover</button>
</div>
const popover = document.getElementById("mypopover");
const toggleBtn = document.getElementById("toggleBtn");
toggleBtn.command = "show-popover";
<button commandfor="the-image" command="--rotate-left">Rotate Left</button>
<button commandfor="the-image" command="--rotate-right">Rotate Right</button>
<img id="the-image" src="photo.jpg" alt="[add appropriate alt text here]" />
const image = document.getElementById("the-image");
image.addEventListener("command", (event) => {
if (event.command === "--rotate-left") {
event.target.style.rotate = "-90deg";
} else if (event.command === "--rotate-right") {
event.target.style.rotate = "90deg";
}
});
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