DocumentationCache

¶Data Grid Cell Caching

¶Overview

The cache feature allows formula results to be stored, improving the loading time of spreadsheets with pre-calculated values.

¶Documentation

¶Methods

The following methods can be used to retrieve or set cache values for one or multiple data grid cells.

¶Initial Settings

The following properties are available during spreadsheet initialization.

¶Examples

¶Loading Formula Values from Cache

To optimize formula value caching in Jspreadsheet, initialize the spreadsheet with cached data for formulas. This approach accelerates the loading of pre-calculated values, improving performance and user experience, particularly in data-intensive scenarios.

<html>
<script src="https://jspreadsheet.com/v13/jspreadsheet.js"></script>
<script src="https://jsuites.net/v6/jsuites.js"></script>
<link rel="stylesheet" href="https://jspreadsheet.com/v13/jspreadsheet.css" type="text/css" />
<link rel="stylesheet" href="https://jsuites.net/v6/jsuites.css" type="text/css" />

<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Material+Icons" />

<div id="spreadsheet"></div>

<script>
// You can use the following license for quick testing on localhost, StackBlitz, or CodeSandbox.
// The license is valid for one day, after which the spreadsheet will become read-only.
// For a longer trial period, you can create a free account and generate a demo license with an extended expiration date.
jspreadsheet.setLicense('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');

// Create spreadsheet with cached values
const worksheets = jspreadsheet(document.getElementById('spreadsheet'), {
    worksheets: [{
        minDimensions: [6,6],
        data: [
            [10,'=SUM(A1)*10'],
        ],
        cache: { B1: 100 },
    }],
});
</script>
</html>

import React, {useRef, useEffect} from "react";
import {Spreadsheet, Worksheet, jspreadsheet} from "@jspreadsheet/react";
import formula from "@jspreadsheet/formula-pro";
import "jsuites/dist/jsuites.css";
import "jspreadsheet/dist/jspreadsheet.css";

// Set the license
jspreadsheet.setLicense('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');

// Create the component
export default function App() {

    const spreadsheet = useRef();

    const data = [
        [10, '=SUM(A1)*10'],
    ]

    // Create spreadsheets
    return (
        <Spreadsheet ref={spreadsheet}>
            <Worksheet data={data} minDimensions={[6, 6]} cache={{B1: 100}}/>
        </Spreadsheet>
    );
}

<template>
    <Spreadsheet ref="spreadsheet">
        <Worksheet :data="data" :minDimensions="[6,6]" :cache="cache" />
    </Spreadsheet>
</template>

<script>
import { Spreadsheet, Worksheet, jspreadsheet } from "@jspreadsheet/vue";
import "jsuites/dist/jsuites.css";
import "jspreadsheet/dist/jspreadsheet.css";

// Set the license
jspreadsheet.setLicense('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');

// Create components
export default {
    components: {
        Spreadsheet, 
        Worksheet
    },
    data() {

        const data = [
            [10,'=SUM(A1)*10'],
        ]

        const cache = {
            B1: 100
        }

        return {
            data,
            cache
        };
    }
}
</script>

import { Component, ViewChild, ElementRef, AfterViewInit } from "@angular/core";
import jspreadsheet from "jspreadsheet";
import "jsuites/dist/jsuites.css";
import "jspreadsheet/dist/jspreadsheet.css";

// You can use the following license for quick testing on localhost, StackBlitz, or CodeSandbox.
// The license is valid for one day, after which the spreadsheet will become read-only.
// For a longer trial period, you can create a free account and generate a demo license with an extended expiration date.
jspreadsheet.setLicense('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');

// Create the data grid component
@Component({
    standalone: true,
    selector: "app-root",
    template: `<div #spreadsheet></div>`,
})
export class AppComponent implements AfterViewInit {
    @ViewChild('spreadsheet') spreadsheet: ElementRef;
    // Worksheets
    worksheets: jspreadsheet.worksheetInstance[];

    // Create a new data grid
    ngAfterViewInit() {
        // Create spreadsheet
        this.worksheets = jspreadsheet(this.spreadsheet.nativeElement, {
            worksheets: [{
                minDimensions: [6,6],
                data: [
                    [10,'=SUM(A1)*10'],
                ],
                cache: { B1: 100 },
            }],
        });
    }
}