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April 13, 2022 10:36
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Wikipedia article preview on link hover
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<html> | |
<head> | |
<script src="https://unpkg.com/tippy.js@2.5.3/dist/tippy.all.min.js"></script> | |
</head> | |
<body> | |
<div id="wiki-template" style="display: none;"> | |
Loading wikipedia summary... | |
</div> | |
</body> | |
</html> |
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Learn more about bidirectional Unicode characters
const template = document.querySelector('#wiki-template') | |
const initialText = template.textContent | |
const tip = tippy('a[href*="wikipedia.org"]', { | |
animation: 'shift-toward', | |
arrow: true, | |
maxWidth: '300px', | |
theme: 'light', | |
html: '#wiki-template', | |
onShow(instance) { | |
const wikiPage = instance.reference.href.split("wikipedia.org/wiki")[1].substring(1); | |
// `this` inside callbacks refers to the popper element | |
const content = this.querySelector('.tippy-content') | |
if (tip.loading || content.innerHTML !== initialText) return | |
tip.loading = true | |
fetch('https://en.wikipedia.org/w/api.php?action=query&prop=extracts&format=json&origin=*&redirects=true&exintro=&titles='+wikiPage).then((resp) => resp.json()).then(data => { | |
const pageKey = Object.keys(data.query.pages)[0]; | |
const firstPara = $.parseHTML(data.query.pages[pageKey].extract)[0].innerHTML | |
if(firstPara.split(" ").length > 48) { | |
content.innerHTML = '<div style="padding:5px">' + firstPara.split(" ").splice(0,48).join(" ").replace(/,\s*$/, "") + '...</div>' | |
} else { | |
content.innerHTML = '<div style="padding:5px">' + firstPara + '</div>' | |
} | |
tip.loading = false | |
}).catch(e => { | |
content.innerHTML = 'Loading failed' | |
tip.loading = false | |
}) | |
}, | |
onHidden() { | |
const content = this.querySelector('.tippy-content') | |
content.innerHTML = initialText | |
}, | |
// prevent tooltip from displaying over button | |
popperOptions: { | |
modifiers: { | |
preventOverflow: { | |
enabled: false | |
}, | |
hide: { | |
enabled: false | |
} | |
} | |
} | |
}) |
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Hi, why dos not work for me?
a page html without anythings.