קל לארגן דפים בעזרת אוספים
אפשר לשמור ולסווג תוכן על סמך ההעדפות שלך.
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;
}
};
אלא אם צוין אחרת, התוכן של דף זה הוא ברישיון Creative Commons Attribution 4.0 ודוגמאות הקוד הן ברישיון Apache 2.0. לפרטים, ניתן לעיין במדיניות האתר Google Developers. Java הוא סימן מסחרי רשום של חברת Oracle ו/או של השותפים העצמאיים שלה.
עדכון אחרון: 2024-01-09 (שעון UTC).
[{
"type": "thumb-down",
"id": "missingTheInformationINeed",
"label":"חסרים לי מידע או פרטים"
},{
"type": "thumb-down",
"id": "tooComplicatedTooManySteps",
"label":"התוכן מורכב מדי או עם יותר מדי שלבים"
},{
"type": "thumb-down",
"id": "outOfDate",
"label":"התוכן לא עדכני"
},{
"type": "thumb-down",
"id": "translationIssue",
"label":"בעיה בתרגום"
},{
"type": "thumb-down",
"id": "samplesCodeIssue",
"label":"בעיה בדוגמאות/בקוד"
},{
"type": "thumb-down",
"id": "otherDown",
"label":"סיבה אחרת"
}]
[{
"type": "thumb-up",
"id": "easyToUnderstand",
"label":"התוכן קל להבנה"
},{
"type": "thumb-up",
"id": "solvedMyProblem",
"label":"התוכן עזר לי לפתור בעיה"
},{
"type": "thumb-up",
"id": "otherUp",
"label":"סיבה אחרת"
}]