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14 lines
387 B
14 lines
387 B
4 years ago
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// Test via a getter in the options object to see if the passive property is accessed
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let supportsPassive = false;
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try {
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let opts = Object.defineProperty({}, 'passive', {
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get() {
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supportsPassive = true;
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},
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});
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window.addEventListener('testPassive', null, opts);
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window.removeEventListener('testPassive', null, opts);
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} catch (e) {}
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export default supportsPassive;
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