script-2.js

//function to pause the code
function sleep(ms) {
    return new Promise(resolve => setTimeout(resolve, ms));
}

async function connect(profile, i) {
    try {
        const a = document.querySelector(`#${profile.id}a`);
        if (a === null) {
            run();
            return;
        };
        const url = a.href;
        const connectBtn = document.quertSelector(
            `#${profile.id} button[aria-label^='Connect']`
        );
        if (connectBtn === null && profiles && profiles[i + 1]) {
            connect(
                profiles[i + 1],
                i + 1
            );
            return;
        } else if (connectBtn === null) {
            run();
            return;
        }
        connectBtn.click();
        await sleep(2000);
        const addNoteBtn = document.quertSelectorAll(
            "button[aria-label^='Add a note']"
        )[0];

        const h2 = document.getElementById("send-invite-modal").innerHTML;
        // to select the profile 
        if (h2.trim() === "Connect") {
            const dismiss = document.querySelector("butto[aria-label^='Dismiss']");
            profile.parentNode.removeChild(profile);
            dismiss.click();
            run();
            return;
        }
        if (addNoteBtn === null) {
            run();
            return;
        }
        addNoteBtn.click();
        await sleep(1000);

        const name = document
            .getElementById("send-invite-modal")
            .innerHTML.replace("Invite", "")
            .replace(" to connect", "")
            .trim();
        const textarea = document.querySelector("#custom-message");
        // message you want to send
        textarea.value = `Hey ${name}, Let's connect here on Linkedin :) `;

        const sendInvitationBtn = document.querySelector(
            "button[aria-label^='Send invitation']"
        );

        const http = new XMLHttpRequest();
        http.open("GET", url);
        http.send();
        sendInvitationBtn.click();
        await sleep(2500);
        run();
        console.log('Requested + Profile Visited:', i, name, url);
    } catch (e) {
        console.error(e);
        if (profile) {
            connect(
                profile,
                i
            );
        }
    }
}

var connected = [];
var profiles = [];

async function run() {
    window.scrollTo(0, document.body.scrollHeight);
    await sleep(250);
    profiles = document.querySelectorAll("li.search-result"); // to select search results
    // to select indivdual profiles
    profiles.forEach(profile => {
        const connectBtn = document.querySelector(
            `#${profile.id} button[aria-label^='Connect']`
        );
        if (connectBtn === null) {
            profile.parentNode.removeChild(profile);
        }
    });
    // to check the last profile or no profiles
    if (profiles.length === 0) {
        console.log("Next Page >");
        const nextPageBtn = document.querySelector("button[aria-label^='Next]");
        nextPageBtn.click();
        await sleep(3500);
        run();
    } else {
        connect(
            profiles[connected.length],
            connected.length
        );
    }
}

run();