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ذخیره و دستهبندی محتوا براساس اولویتهای شما.
HTML
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<link
rel="icon"
href="data:image/svg+xml,<svg xmlns=%22http://www.w3.org/2000/svg%22 viewBox=%220 0 100 100%22><text y=%22.9em%22 font-size=%2290%22>🎉</text></svg>"
/>
<title>How to use multiple screens</title>
<link rel="stylesheet" href="/style.css" />
<!-- TODO: Devsite - Removed inline handlers -->
<!-- <script src="/script.js" type="module"></script> -->
</head>
<body>
<h1>How to use multiple screens</h1>
<div>
<div>
Permission Status:
<span id="permissionStatus"></span>
</div>
<div>Screens Available: <span id="screensAvail"></span></div>
</div>
<button id="detectScreen">Detect Screens</button>
<button id="create" disabled>Create Page On Random Screen</button>
</body>
</html>
CSS
:root {
color-scheme: dark light;
}
html {
box-sizing: border-box;
}
*,
*:before,
*:after {
box-sizing: inherit;
}
body {
margin: 1rem;
font-family: system-ui, sans-serif;
}
JS
const detectButton = document.querySelector('#detectScreen');
const createButton = document.querySelector('#create');
const permissionLabel = document.querySelector('#permissionStatus');
const screensAvailLabel = document.querySelector('#screensAvail');
const popupUrl = 'supporting-popup.html';
let screenDetails = undefined;
let permission = undefined;
let currentScreenLength = undefined;
detectButton.addEventListener('click', async () => {
if ('getScreenDetails' in window) {
screenDetails = await window.getScreenDetails();
screenDetails.addEventListener('screenschange', (event) => {
if (screenDetails.screens.length !== currentScreenLength) {
currentScreenLength = screenDetails.screens.length;
updateScreenInfo();
}
});
try {
permission =
(await navigator.permissions.query({ name: 'window-placement' }))
.state === 'granted'
? 'Granted'
: 'No Permission';
} catch (err) {
console.error(err);
}
currentScreenLength = screenDetails.screens.length;
updateScreenInfo();
} else {
screenDetails = window.screen;
permission = 'Multi-Screen Window Placement API - NOT SUPPORTED';
currentScreenLength = 1;
updateScreenInfo();
}
});
createButton.addEventListener('click', () => {
const screen =
screenDetails.screens[Math.floor(Math.random() * currentScreenLength)];
const options = {
x: screen.availLeft,
y: screen.availTop,
width: screen.availWidth,
height: screen.availHeight,
};
window.open(popupUrl, '_blank', getFeaturesFromOptions(options));
});
const getFeaturesFromOptions = (options) => {
return (
'left=' +
options.x +
',top=' +
options.y +
',width=' +
options.width +
',height=' +
options.height
);
};
const updateScreenInfo = () => {
screensAvailLabel.innerHTML = currentScreenLength;
permissionLabel.innerHTML = permission;
if ('getScreenDetails' in window && screenDetails.screens.length > 1) {
createButton.disabled = false;
} else {
createButton.disabled = true;
}
};
جز در مواردی که غیر از این ذکر شده باشد،محتوای این صفحه تحت مجوز Creative Commons Attribution 4.0 License است. نمونه کدها نیز دارای مجوز Apache 2.0 License است. برای اطلاع از جزئیات، به خطمشیهای سایت Google Developers مراجعه کنید. جاوا علامت تجاری ثبتشده Oracle و/یا شرکتهای وابسته به آن است.
تاریخ آخرین بهروزرسانی 2024-01-09 بهوقت ساعت هماهنگ جهانی.
[{
"type": "thumb-down",
"id": "missingTheInformationINeed",
"label":"اطلاعاتی که نیاز دارم وجود ندارد"
},{
"type": "thumb-down",
"id": "tooComplicatedTooManySteps",
"label":"بیشازحد پیچیده/ مراحل بسیار زیاد"
},{
"type": "thumb-down",
"id": "outOfDate",
"label":"قدیمی"
},{
"type": "thumb-down",
"id": "translationIssue",
"label":"مشکل ترجمه"
},{
"type": "thumb-down",
"id": "samplesCodeIssue",
"label":"مشکل کد / نمونهها"
},{
"type": "thumb-down",
"id": "otherDown",
"label":"غیره"
}]
[{
"type": "thumb-up",
"id": "easyToUnderstand",
"label":"درک آسان"
},{
"type": "thumb-up",
"id": "solvedMyProblem",
"label":"مشکلم را برطرف کرد"
},{
"type": "thumb-up",
"id": "otherUp",
"label":"غیره"
}]