Add script via page.addScriptTag (puppeteer)

index.js

const puppeteer = require('puppeteer');
(async () => {
    try {
        const browser = await puppeteer.launch({
            headless: false,
        })
        const page = await browser.newPage();
        await page.setBypassCSP(true);
        await page.goto('https://github.com/google');
        await page.addScriptTag({
            path: './krish.js'
        });
        // await browser.close()
    } catch (error) {
        console.log('error', error)
    }
})()

krish.js

window.isInjected = true