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Tree Walker: My solution
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David Ding
Feb 19, 2023, 5:53:44 PM2/19/23
to Intro to JavaScript
nextNode = function(node){
if (node.firstChild !== null) {
return node.firstChild;
}
if (node.nextSibling !== null) {
return node.nextSibling;
}
while (node.parentNode !== null) {
node = node.parentNode;
if (node.nextSibling !== null) {
return node.nextSibling;
}
}
return node;
}
if (node.firstChild !== null) {
return node.firstChild;
}
if (node.nextSibling !== null) {
return node.nextSibling;
}
while (node.parentNode !== null) {
node = node.parentNode;
if (node.nextSibling !== null) {
return node.nextSibling;
}
}
return node;
}
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