8000 nextSibling and previousSibling · last-endcode/JavaScript-DOM@5de9854 · GitHub
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nextSibling and previousSibling
1 parent a142467 commit 5de9854

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+17
-14
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2 files changed

+17
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lines changed

‎07_nextSibling_previous.js

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Original file line numberDiff line numberDiff line change
@@ -1,15 +1,12 @@
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// nextSibling
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// previousSibling
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// remember return white space too
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// remember return white space too and comment html
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const li_one = document.querySelector('li');
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// index 1 be red
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li_one.nextSibling.nextSibling.style.color = 'red';
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// index 2 be blue
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li_one.nextSibling.nextSibling.nextSibling.nextSibling.style.color = 'blue';
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const nextSubtitle = document.querySelector('h3');
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// h2 main-title if one nexSibling result #text
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// cause nextSibling read white space too remember!
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console.log(nextSubtitle.nextSibling.nextSibling);
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// use previous
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const last = document.querySelector('#last');
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console.log(
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(last.previousSibling.previousSibling.style.textTransform = 'uppercase')
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);
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const previousTitle = document.querySelector('h2');
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// h3 sub-title
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console.log(previousTitle.previousSibling);

‎index.html

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Original file line numberDiff line numberDiff line change
@@ -58,7 +58,7 @@ <h2>SHP Pirates</h2>
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<li id="members">ussop</li>
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</ul> -->
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<!-- parentElement -->
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<!-- parentElement
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<div class="container">
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<h2>SHP Pirates</h2>
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<ul id="shp">
@@ -67,6 +67,12 @@ <h2>SHP Pirates</h2>
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<li class="members">sanji</li>
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<li class="members">ussop</li>
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</ul>
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</div> -->
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<!-- nextSibling & previousSibling -->
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<div class="container">
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<h3>sub title</h3>
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<h2>main title</h2>
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</div>
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<!-- source js -->
@@ -75,9 +81,9 @@ <h2>SHP Pirates</h2>
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<!-- <script src="/03_getElementByClassName.js"></script> -->
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<!-- <script src="/04_querySelector.js"></script> -->
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<!-- <script src="/05_children.js"></script> -->
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<script src="/06_parentElement.js"></script>
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<!-- <script src="/06_parentElement.js"></script> -->
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<!-- <script src="/07_nextSibling_previous.js"></script> -->
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<!-- <script src="/08_nextElementSibling_previous.js"></script> -->
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<script src="/08_nextElementSibling_previous.js"></script>
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<!-- <script src="/09_textContent.js"></script> -->
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<!-- <script src="/10_getAttribute.js"></script> -->
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</body>

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