[英]How to simulate long press with react js?
我想用點擊事件觸發長按事件。 在 React js 中有什么辦法嗎?
接近於此的是 jQuery trigger() function。但我想要 trigger("longPress") 之類的東西,或者用左鍵單擊打開右鍵單擊菜單以做出反應。 兩者都提到(長按觸發器/打開右鍵單擊菜單)對我來說是理想的
你可以通過保持時間來做這個黑客
https://stackblitz.com/edit/react-d1txdm
export default function App() {
let triggerTime;
return (
<div>
<h1>Try on Google Chrome Desktop</h1>
<p>Open the console log to see how the event gets triggered.</p>
<p>The event should not get triggered if there is a long click.</p>
<img
src="https://via.placeholder.com/200.png/09f/fff"
onClick={(e) => {
if (triggerTime > 1000) return;
else console.log('normal click');
}}
onMouseDown={() => {
triggerTime = new Date().getTime();
}}
onMouseUp={() => {
let thisMoment = new Date().getTime();
triggerTime = thisMoment - triggerTime;
}}
/>
</div>
);
}
像這樣的東西怎么樣:
const myComponent = () => {
let clickHoldTimer = null;
const handleMouseDown = () => {
clickHoldTimer = setTimeout(() => {
//Action to be performed after holding down mouse
}, 1000); //Change 1000 to number of milliseconds required for mouse hold
}
const handleMouseUp = () => {
clearTimeout(clickHoldTimer);
}
return (
<div onMouseDown={handleMouseDown} onMouseUp={handleMouseUp} />
)
}
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