10 lines
391 B
JavaScript
10 lines
391 B
JavaScript
const prefix = prop => {
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const capitalizedProp = prop.charAt(0).toUpperCase() + prop.slice(1);
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const prefixes = ['', 'webkit', 'moz', 'ms', 'o'];
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const i = prefixes.findIndex(
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prefix => typeof document.body.style[prefix ? prefix + capitalizedProp : prop] !== 'undefined'
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);
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return i !== -1 ? (i === 0 ? prop : prefixes[i] + capitalizedProp) : null;
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};
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module.exports = prefix;
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