This walks through the worksheet object.

Using the Worksheet.EXCEL.yaml

name: Using the Worksheet
description: This walks through the worksheet object.
host: EXCEL
api_set: {}
script:
  content: |
    $("#run").click(() => tryCatch(worksheetObject));

    async function worksheetObject() {
      await Excel.run(async (context) => {
        // define our workbook
        const xlWorkbook = context.workbook;

        // define our worksheet
        //const xlWorksheet = xlWorkbook.worksheets.getItem("Workbook Object");
        const xlWorksheet = xlWorkbook.worksheets.getActiveWorksheet();

        // select the used range.
        xlWorksheet.getUsedRange().select();

        // select the last column in the used range.
        xlWorksheet
          .getUsedRange()
          .getLastColumn()
          .select();

        // select the last row in the used range.
        xlWorksheet
          .getUsedRange()
          .getLastRow()
          .select();

        // select a single cell
        //xlWorksheet.getCell(7, 3).select();

        //load a property of our worksheet.
        xlWorksheet.load("name");
        await context.sync();

        // print it out
        console.log(xlWorksheet.name);

        // copy our worksheet
        //xlWorksheet.copy();

        // turn off the gridlines
        xlWorksheet.showGridlines = false;
        await context.sync();

        const xlRange = xlWorksheet.getRange("B15:D17");
        xlRange.load("cellCount");
        await context.sync();

        for (var cell = 0; cell < xlRange.cellCount; cell++) {
          xlWorksheet.getCell(7, 2).select();
          console.log(cell);
        }

        // Select a sheet using key.
        //xlWorkbook.worksheets.getItem("Range Object").activate();
      });
    }

    /** Default helper for invoking an action and handling errors. */
    async function tryCatch(callback) {
      try {
        await callback();
      } catch (error) {
        // Note: In a production add-in, you'd want to notify the user through your add-in's UI.
        console.error(error);
      }
    }
  language: typescript
template:
  content: |-
    <button id="run" class="ms-Button">
        <span class="ms-Button-label">Run</span>
    </button>
  language: html
style:
  content: |-
    section.samples {
        margin-top: 20px;
    }

    section.samples .ms-Button, section.setup .ms-Button {
        display: block;
        margin-bottom: 5px;
        margin-left: 20px;
        min-width: 80px;
    }
  language: css
libraries: |
  https://appsforoffice.microsoft.com/lib/1/hosted/office.js
  @types/office-js

  [email protected]/dist/css/fabric.min.css
  [email protected]/dist/css/fabric.components.min.css

  [email protected]/client/core.min.js
  @types/core-js

  @microsoft/[email protected]/dist/office.helpers.min.js
  @microsoft/[email protected]/dist/office.helpers.d.ts

  [email protected]
  @types/[email protected]