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+---
+title: getElementsBiggerThanViewport
+tags: browser,intermediate
+---
+
+Returns an array of HTML elements whose width is larger than that of the viewport's.
+
+- Use `HTMLElement.prototype.offsetWidth()` to get the width of the `document`.
+- Use `Array.prototype.reduce()` on the result of `document.querySelectorAll()` to check the width of all elements in the document.
+
+```js
+const getElementsBiggerThanViewport = () => {
+  const docWidth = document.documentElement.offsetWidth;
+  return [...document.querySelectorAll('*')].reduce((acc, el) => {
+    if (el.offsetWidth > docWidth) acc.push(el);
+    return acc;
+  }, []);
+}
+```
+
+```js
+getElementsBiggerThanViewport(); // <div id="ultra-wide-item" />
+```