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// retoor <retoor@molodetz.nl>
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import "html" for Document
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var doc = Document.parse("<div id='container'><p>One</p><span>Two</span><a>Three</a></div>")
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var container = doc.getElementById("container")
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System.print(container.children.count) // expect: 3
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var span = doc.querySelector("span")
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container.removeChild(span)
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System.print(container.children.count) // expect: 2
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System.print(container.firstChild.tagName) // expect: P
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System.print(container.lastChild.tagName) // expect: A
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var p = doc.querySelector("p")
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container.removeChild(p)
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System.print(container.children.count) // expect: 1
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System.print(container.firstChild.tagName) // expect: A
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