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- 'use strict';
- let elements = document.querySelectorAll('*');
- let tags = {};
- for (let i = 0; i < elements.length; ++i) {
- const tagName = elements[i].tagName;
- if (tags[tagName] === undefined) {
- tags[tagName] = 1;
- } else {
- tags[tagName] = tags[tagName] + 1;
- }
- }
- return tags;
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