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Selection API 的 selectionchange 事件在文档上的当前文本选择被改变时触发。
| Bubbles | No |
| Cancelable | No |
| Target objects | Document |
| Interface | Event |
例子
//以下两种方法可任选其一
document.addEventListener("selectionchange", () => {
console.log(document.getSelection());
});
document.onselectionchange = () => {
console.log(document.getSelection());
};
继承
selectionchange 事件实现了 Event 接口，因此在此接口上定义的属性和方法都可使用。
<div id="interfaceDiagram" style="display: inline-block; position: relative; width: 100%; padding-bottom: 11.666666666666666%; vertical-align: middle; overflow: hidden;"><svg style="display: inline-block; position: absolute; top: 0; left: 0;" viewbox="-50 0 600 70" preserveAspectRatio="xMinYMin meet"><a xlink:href="https://developer.mozilla.org/zh-CN/docs/Web/API/Event" target="_top"><rect x="1" y="1" width="75" height="50" fill="#F4F7F8" stroke="#D4DDE4" stroke-width="2px" /><text x="38.5" y="30" font-size="12px" font-family="Consolas,Monaco,Andale Mono,monospace" fill="#4D4E53" text-anchor="middle" alignment-baseline="middle">Event</text></a></svg></div>
a:hover text { fill: #0095DD; pointer-events: all;}
Specifications
| Specification | Status | Comment |
|---|---|---|
| Selection API selectionchange |
Working Draft | Initial definition. |
Browser compatibility
We're converting our compatibility data into a machine-readable JSON format.
This compatibility table still uses the old format,
because we haven't yet converted the data it contains.
Find out how you can help!
| Feature | Chrome | Edge | Firefox (Gecko) | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|---|
| Basic support | (Yes) | (Yes) | 52 (52) | (Yes) | (Yes) | ? |
on HTMLInputElement and HTMLTextAreaElement |
未实现 | 未实现 | 52 (52) - [1] | 未实现 | 未实现 | 未实现 |
| Feature | Android | Chrome for Android | Edge | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|---|---|
| Basic support | (Yes) | (Yes) | (Yes) | 52.0 (52) | (Yes) | (Yes) | ? |
on HTMLInputElement and HTMLTextAreaElement |
未实现 | 未实现 | 未实现 | 52.0 (52) - [1] | 未实现 | 未实现 | 未实现 |
[1] - Experimental support in Nightly behind the dom.select_events.textcontrols.enabled preference. Support for input and textarea is currently not part of the specification.