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13 lines
331 B
JavaScript
13 lines
331 B
JavaScript
const now = new Date();
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if (now.getFullYear() === 2020 && now.getMonth() === 3 && now.getDate() === 4) {
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const filter = `
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html{
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filter: grayscale(100%);
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-webkit-filter: grayscale(100%);
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-moz-filter: grayscale(100%);
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}
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`;
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document.head.insertAdjacentHTML('beforeend', `<style>${filter}</style>`);
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}
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