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https://github.com/bendtherules/UiQuestions.git
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Added DocWrapper and Link component to address link issues
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@@ -7,7 +7,11 @@ slug: /
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import Admonition from "../components/Admonition"
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import Accordion from "../components/Accordion"
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import Link from "../components/Link"
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import MDN from "../components/MDNBadge"
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import DocWrapper from "../components/DocWrapper"
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<DocWrapper>
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:::note DOM interfaces
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Every kind of **DOM** node is represented by an interface based on **Node** interface.
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@@ -29,7 +33,7 @@ document.querySelector(".not-found"); // null
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```
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<Accordion>
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<Admonition type="note" title="Also available on Element and fragment" id="element-has-qs">
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<Admonition type="note" title="Also available on Element and fragment" id="link-element-has-qs">
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Besides <b>Document</b>, this method is also available on <b>Element</b> and <b>DocumentFragment</b>.<br/>
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If you want to look within a specific element, just use <code>ele.querySelector()</code> on the parent element.<br/>
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If you want to look within a specific fragment, just use <code>df.querySelector()</code> on the parent fragment.
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@@ -65,7 +69,7 @@ for (let p of paras) {
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}
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```
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`querySelectorAll` is also available on <b>Element</b> and <b>DocumentFragment</b>, in the [same way as querySelector](#element-has-qs).
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`querySelectorAll` is also available on <b>Element</b> and <b>DocumentFragment</b>, in the <Link title = "same way as querySelector" hash = "link-element-has-qs"/>.
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<MDN title="querySelectorAll" url="https://developer.mozilla.org/en-US/docs/Web/API/Document/querySelectorAll" />
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@@ -137,7 +141,7 @@ eleDiv.appendChild(eleH1)
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then it is removed from its existing parent and then added to the new parent.
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</Admonition>
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<Admonition type="note" title="If it is DocumentFragment" id="appendChild-documentFragment">
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<Admonition type="note" title="If it is DocumentFragment" id="link-appendChild-documentFragment">
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If newNode is a DocumentFragment, then - instead of adding the fragment itself as a child,
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the entire content of the fragment is added as children of the parent node.
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</Admonition>
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@@ -222,7 +226,7 @@ This method is used to create a new empty document fragment.
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DocumentFragment can be considered to be a off-screen lightweight `document` object.
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It is generally used for batching multiple operations - by doing them in the fragment over time and then rendering the whole content to the visible DOM in one shot .
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Because fragment is not rendered, making changes to it doesn't cause any performance impact (no reflow). To **actually "render" the fragment** in the visible document, [use appendChild](#appendChild-documentFragment) or `insertBefore`.
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Because fragment is not rendered, making changes to it doesn't cause any performance impact (no reflow). To **actually "render" the fragment** in the visible document, <Link title = "use appendChild" hash = "link-appendChild-documentFragment"/> or `insertBefore`.
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```js
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let fragment = document.createDocumentFragment()
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@@ -243,4 +247,6 @@ outerEle.appendChild(fragment)
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--------
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In the next section, we'll see how to read information from a DOM element.
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In the next section, we'll see how to read information from a DOM element.
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</DocWrapper>
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