SelectorQuery

Introduction

Selector.

Method Parameters

Method	Parameters	Description
exec	None	Executes all the requests.
select	selector	Selects the first node that matches the selector selector in the current page and returns a NodesRef object instance that can be used to retrieve node information.
selectAll	selector	Selects nodes that match the selector selector in the current page and returns a NodesRef object instance. Unlike selectorQuery.select(selector), this selects all nodes that match the selector.
selectViewport	None	Selects the display area and can be used to obtain information such as the size and scroll position of the display area. Returns a NodesRef object instance.

Sample Code

Page({
  onReady() {
    this.selectorQuery = dlt.createSelectorQuery();
  },
  queryNodeInfo() {
    this.selectorQuery
      // .in(this); Use this statement for custom components
      .select('.target')
      // Or .selectAll('.target')
      // Or .selectViewport()
      .boundingClientRect((res) => {
        console.log('Node Information', res);
      })
      .exec();
  },
});