Range：startContainer 属性
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
Range.startContainer 只读属性返回 Range 开始所在的 Node。要更改节点的起始位置，请使用 Range.setStart() 方法。
值
Node 对象。
示例
js
range = document.createRange();
range.setStart(startNode, startOffset);
range.setEnd(endNode, endOffset);
startRangeNode = range.startContainer;
规范
| Specification |
|---|
| DOM # ref-for-dom-range-startcontainer① |