[{"data":1,"prerenderedAt":7},["ShallowReactive",2],{"example-markdown-content:en:leaf-expand-button-lazy-loading":3},{"markdown":4,"isPaidExample":5,"isTruncated":5,"charLimit":6},"# Lazy Child Loading from Leaf Expand Buttons\n\n## What This Example Builds\n\nThis example builds a full-height left-to-right tree that mixes one static branch with one highlighted lazy-loading branch. The canvas starts with a white `b` subtree that is already populated and a gold `c` subtree whose leaf placeholders `c1`, `c2`, and `c3` already show expand buttons even though they do not have children yet.\n\nUsers can click the built-in expand button on those placeholder leaves, see a `Loading...` ",true,500,1782615416247]