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we (web engine): Experimental web browser project to understand the limits of Claude
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1234567891011121314151617181920212223242526272829<!DOCTYPE html><meta charset="utf-8"><title>Node.appendChild</title><script src="/resources/testharness.js"></script><script src="/resources/testharnessreport.js"></script><div id="log"></div><script>test(function() { var parent = document.createElement("div"); var child = document.createElement("span"); var result = parent.appendChild(child); assert_true(parent.hasChildNodes());}, "appendChild adds child to parent");
test(function() { var parent = document.createElement("div"); var child = document.createElement("span"); var result = parent.appendChild(child); assert_equals(result.tagName, "SPAN");}, "appendChild returns the appended child");
test(function() { var parent = document.createElement("div"); var text = document.createTextNode("hello"); parent.appendChild(text); assert_equals(parent.textContent, "hello");}, "appendChild with text node sets textContent");</script>