count property

CompositeNode.count property

Gets the number of immediate children of this node.

get count(): number

Examples

Shows how to add, update and delete child nodes in a CompositeNode’s collection of children.

let doc = new aw.Document();

// An empty document, by default, has one paragraph.
expect(doc.firstSection.body.paragraphs.count).toEqual(1);

// Composite nodes such as our paragraph can contain other composite and inline nodes as children.
let paragraph = doc.firstSection.body.firstParagraph;
let paragraphText = new aw.Run(doc, "Initial text. ");
paragraph.appendChild(paragraphText);

// Create three more run nodes.
let run1 = new aw.Run(doc, "Run 1. ");
let run2 = new aw.Run(doc, "Run 2. ");
let run3 = new aw.Run(doc, "Run 3. ");

// The document body will not display these runs until we insert them into a composite node
// that itself is a part of the document's node tree, as we did with the first run.
// We can determine where the text contents of nodes that we insert
// appears in the document by specifying an insertion location relative to another node in the paragraph.
expect(paragraph.getText().trim()).toEqual("Initial text.");

// Insert the second run into the paragraph in front of the initial run.
paragraph.insertBefore(run2, paragraphText);

expect(paragraph.getText().trim()).toEqual("Run 2. Initial text.");

// Insert the third run after the initial run.
paragraph.insertAfter(run3, paragraphText);

expect(paragraph.getText().trim()).toEqual("Run 2. Initial text. Run 3.");

// Insert the first run to the start of the paragraph's child nodes collection.
paragraph.prependChild(run1);

expect(paragraph.getText().trim()).toEqual("Run 1. Run 2. Initial text. Run 3.");
expect(paragraph.getChildNodes(aw.NodeType.Any, true).count).toEqual(4);

// We can modify the contents of the run by editing and deleting existing child nodes.
//paragraph.getChildNodes(aw.NodeType.Run, true).toArray().at(1).text = "Updated run 2. ";
//paragraph.getChildNodes(aw.NodeType.Run, true).remove(paragraphText);
paragraph.getChildNodes(aw.NodeType.Run, true).toArray().at(1).asRun().text = "Updated run 2. ";
paragraph.getChildNodes(aw.NodeType.Run, true).remove(paragraphText);

expect(paragraph.getText().trim()).toEqual("Run 1. Updated run 2. Run 3.");
expect(paragraph.getChildNodes(aw.NodeType.Any, true).count).toEqual(3);

count property

CompositeNode.count property

Examples

See Also