Script to auto-fill a form

auto-fill.js

function insertJquery() {
    let loaded = false
    if (loaded) return Promise.resolve(jQuery)

    return new Promise(resolve => {
        const scriptEl = document.createElement('script')
        scriptEl.setAttribute('src', 'https://code.jquery.com/jquery-3.5.1.min.js')
        scriptEl.setAttribute('integrity', "sha256-9/aliU8dGd2tb6OSsuzixeV4y/faTqgFtohetphbbj0=")
        scriptEl.setAttribute('crossorigin', 'anonymous')
        scriptEl.onload = () => {
            loaded = true
            resolve(jQuery)
        }
        document.head.appendChild(scriptEl)
    })

}

function sleep(ms) {
    return new Promise(r => setTimeout(r, ms))
}

function $$(selector) {
    async function sel(selector) {
        const $ = await insertJquery()
        let started = Date.now()
        let el = null
        while (!$(selector).length) {
            await sleep(100)
            if (Date.now() - started > 5000) {
                throw new Error('could not find element for selector: ' + selector)
            }
        }
        return $(selector)
    }
    return {
        async click() {
            (await sel(selector)).click()
        },
        async val(text) {
            (await sel(selector)).val(`${text}`)
        }
    }
}

async function insertTeaching([year, code, creditValue, seniorityPoints]) {
    await $$('#ctl00_mainContent_btnInsertRowEmploymentUO-btnInnerEl').click()

    await $$('#ctl00_mainContent_txtAcademicYearUO-inputEl').val(year)

    await $$('.x-grid-row-selected td:nth-child(2)').click()
    await $$('#ctl00_mainContent_txtCourseCodeUO-inputEl').val(code)

    await $$('.x-grid-row-selected td:nth-child(3)').click()
    await $$('#ctl00_mainContent_txtCreditValue-inputEl').val(creditValue)

    await $$('.x-grid-row-selected td:nth-child(4)').click()
    await $$('#ctl00_mainContent_txtSeniorityPoints-inputEl').val(seniorityPoints)
}
async function main() {
    const info = `
04-05	CRM2301B	3	1
06-07	CRM3301B	3	1
06-07	CRM4313A	3	1
07-08	CRM2303A	3	1
07-08	CRM4304A	3	1
07-08	CRM4304D	3	1
07-08	CRM1301B	3	1
07-08	CRM1301C	3	1
08-09	CRM1301E	3	1
08-09	CRM1301A	3	1
08-09	CRM1301F	3	1
08-09	CRM1301B	3	1
08-09	CRM3301A	3	1
08-09	CRM4304D	3	1
09-10	CRM1301D	3	1
09-10	CRM1301F	3	0
09-10	CRM4304E	3	0
10-11	CRM1301E	3	0
10-11	CRM4304D	3	0
10-11	CRM4304E	3	0
10-11	CRM4304F	3	0
10-11	CRM1301E	3	0
10-11	CRM4304D	3	0
11-12	CRM4304E	3	0
11-12	CRM4304F	3	0
11-12	CRM3301A	3	0
11-12	CRM3317B	3	0
11-12	CRM4304D	3	0
11-12	CRM4304D	3	0
12-13	CRM1301C	3	0
12-13	CRM3301A	3	0
12-13	CRM4304A	3	0
12-13	CRM4310C	3	0
12-13	CRM3301B	3	0
12-13	CRM3301C	3	0
13-14	CRM4304D	3	0
13-14	CRM1301C	3	0
13-14	CRM4304B	3	0
13-14	CRM4304C	3	0
13-14	CRM3301C	3	0
13-14	CRM4304D	3	0
14-15	CRM4304E	3	0
14-15	CRM4304F	3	0
14-15	CRM4310C	3	0
14-15	CRM1300D	3	0
15-16	CRM3317A	3	0
15-16	CRM4304C	3	0
15-16	CRM4304D	3	0
15-16	CRM4304F	3	0
15-16	CRM3317B	3	0
16-17	CRM1301B	3	0
16-17	CRM3317A	3	0
16-17	CRM4304C	3	0
16-17	CRM1301D	3	0
16-17	CRM4304F	3	0
    `.trim().split(/\s+/)

    while (info.length) {
        const line = [
            info.shift(), // year
            info.shift(),// code
            info.shift(),// credits 
            info.shift()// seniority 
        ]
        await insertTeaching(line)
        await sleep(100)
    }
}

await main()