Redeem all Chase offers

chase.js

// Go to all offers page
function waitForElm(selector) {
    return new Promise(resolve => {
        if (document.querySelector(selector)) 
        {
            
            return resolve(document.querySelector(selector));
        }

        const observer = new MutationObserver(mutations => {
            if (document.querySelector(selector)) {
                observer.disconnect();
                resolve(document.querySelector(selector));
            }
        });

        observer.observe(document.body, {
            childList: true,
            subtree: true
        });
    });
}
const addElements = document.querySelectorAll("a[class='sixersoffers__cta']")
for (let i = 0; i < addElements.length; i++) {
    const addEle = await waitForElm(`li[class="offerListItem${i}"]`)
    await addEle.querySelector('span').click()
    await new Promise(r => setTimeout(r, 2000));
    const closeElm = await waitForElm("a[class='flyout-close']")
    await closeElm.click()
}