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Guide
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__ReplaceElement

Introduction

Replaces an Element node with a specified node.

Syntax

__ReplaceElement(newChild: Element, oldChild: Element) : void;

Parameters

KeyDescription
newChildThe new node that will replace the old node. If this node already exists in the Element tree, it will first be removed from its original position.
oldChildThe original node that is being replaced.

Return Value

No return value.

Example

The frontend framework can perform the replacement operation as follows.

// main-thread.js
let newChild = __CreateElement('view', 0, {});

let oldChild = __CreateElement('view', 0, {});

let parent = __CreateElement('view', 0, {});

__AppendElement(parent, oldChild);

__ReplaceElement(newChild, oldChild);
Except as otherwise noted, this work is licensed under a Creative Commons Attribution 4.0 International License, and code samples are licensed under the Apache License 2.0.