JS script to send connection requests to your LinkedIn search results with customisation options, accept all received connection requests, and withdraw pending sent connection requests.

AutoConnectLinkedIn.js

// If the script does not work, you may need to allow same site scripting https://stackoverflow.com/a/50902950

Linkedin = {
  config: {
    scrollDelay: 3000,
    actionDelay: 5000,
    nextPageDelay: 5000,
    // set to -1 for no limit
    maxRequests: -1,
    totalRequestsSent: 0,
    // set to false to skip adding note in invites
    addNote: true,
    note: "Hey {{name}}, I'm looking forward to connecting with you!",
  },
  init: function (data, config) {
    console.info("INFO: script initialized on the page...");
    console.debug(
      "DEBUG: scrolling to bottom in " + config.scrollDelay + " ms"
    );
    setTimeout(() => this.scrollBottom(data, config), config.actionDelay);
  },
  scrollBottom: function (data, config) {
    window.scrollTo({ top: document.body.scrollHeight, behavior: "smooth" });
    console.debug("DEBUG: scrolling to top in " + config.scrollDelay + " ms");
    setTimeout(() => this.scrollTop(data, config), config.scrollDelay);
  },
  scrollTop: function (data, config) {
    window.scrollTo({ top: 0, behavior: "smooth" });
    console.debug(
      "DEBUG: inspecting elements in " + config.scrollDelay + " ms"
    );
    setTimeout(() => this.inspect(data, config), config.scrollDelay);
  },
  inspect: function (data, config) {
    var totalRows = this.totalRows();
    console.debug("DEBUG: total search results found on page are " + totalRows);
    if (totalRows >= 0) {
      this.compile(data, config);
    } else {
      console.warn("WARN: end of search results!");
      this.complete(config);
    }
  },
  compile: function (data, config) {
    var elements = document.querySelectorAll("button");
    data.pageButtons = [...elements].filter(function (element) {
      return element.textContent.trim() === "Connect";
    });
    if (!data.pageButtons || data.pageButtons.length === 0) {
      console.warn("ERROR: no connect buttons found on page!");
      console.info("INFO: moving to next page...");
      setTimeout(() => {
        this.nextPage(config);
      }, config.nextPageDelay);
    } else {
      data.pageButtonTotal = data.pageButtons.length;
      console.info("INFO: " + data.pageButtonTotal + " connect buttons found");
      data.pageButtonIndex = 0;
      var names = document.getElementsByClassName("entity-result__title-text");
      names = [...names].filter(function (element) {
        return element.parentNode.parentNode.parentNode.parentNode.parentNode.parentNode.parentNode.parentNode.textContent.includes(
          "Connect\n"
        );
      });
      data.connectNames = [...names].map(function (element) {
        return element.innerText.split(" ")[0];
      });
      console.debug(
        "DEBUG: starting to send invites in " + config.actionDelay + " ms"
      );
      setTimeout(() => {
        this.sendInvites(data, config);
      }, config.actionDelay);
    }
  },
  sendInvites: function (data, config) {
    console.debug("remaining requests " + config.maxRequests);
    if (config.maxRequests == 0) {
      console.info("INFO: max requests reached for the script run!");
      this.complete(config);
    } else {
      console.debug(
        "DEBUG: sending invite to " +
          (data.pageButtonIndex + 1) +
          " out of " +
          data.pageButtonTotal
      );
      var button = data.pageButtons[data.pageButtonIndex];
      button.click();
      if (config.addNote && config.note) {
        console.debug(
          "DEBUG: clicking Add a note in popup, if present, in " +
            config.actionDelay +
            " ms"
        );
        setTimeout(() => this.clickAddNote(data, config), config.actionDelay);
      } else {
        console.debug(
          "DEBUG: clicking done in popup, if present, in " +
            config.actionDelay +
            " ms"
        );
        setTimeout(() => this.clickDone(data, config), config.actionDelay);
      }
    }
  },
  clickAddNote: function (data, config) {
    var buttons = document.querySelectorAll("button");
    var addNoteButton = Array.prototype.filter.call(buttons, function (el) {
      return el.textContent.trim() === "Add a note";
    });
    // adding note if required
    if (addNoteButton && addNoteButton[0]) {
      console.debug("DEBUG: clicking add a note button to paste note");
      addNoteButton[0].click();
      console.debug("DEBUG: pasting note in " + config.actionDelay);
      setTimeout(() => this.pasteNote(data, config), config.actionDelay);
    } else {
      console.debug(
        "DEBUG: add note button not found, clicking send on the popup in " +
          config.actionDelay
      );
      setTimeout(() => this.clickDone(data, config), config.actionDelay);
    }
  },
  pasteNote: function (data, config) {
    noteTextBox = document.getElementById("custom-message");
    noteTextBox.value = config.note.replace(
      "{{name}}",
      data.connectNames[data.pageButtonIndex]
    );
    noteTextBox.dispatchEvent(
      new Event("input", {
        bubbles: true,
      })
    );
    console.debug(
      "DEBUG: clicking send in popup, if present, in " +
        config.actionDelay +
        " ms"
    );
    setTimeout(() => this.clickDone(data, config), config.actionDelay);
  },
  clickDone: function (data, config) {
    var buttons = document.querySelectorAll("button");
    var doneButton = Array.prototype.filter.call(buttons, function (el) {
      return el.textContent.trim() === "Send";
    });
    // Click the first send button
    if (doneButton && doneButton[0]) {
      console.debug("DEBUG: clicking send button to close popup");
      doneButton[0].click();
    } else {
      console.debug(
        "DEBUG: send button not found, clicking close on the popup in " +
          config.actionDelay
      );
    }
    setTimeout(() => this.clickClose(data, config), config.actionDelay);
  },
  clickClose: function (data, config) {
    var closeButton = document.getElementsByClassName(
      "artdeco-modal__dismiss artdeco-button artdeco-button--circle artdeco-button--muted artdeco-button--2 artdeco-button--tertiary ember-view"
    );
    if (closeButton && closeButton[0]) {
      closeButton[0].click();
    }
    console.info(
      "INFO: invite sent to " +
        (data.pageButtonIndex + 1) +
        " out of " +
        data.pageButtonTotal
    );
    config.maxRequests--;
    config.totalRequestsSent++;
    if (data.pageButtonIndex === data.pageButtonTotal - 1) {
      console.debug(
        "DEBUG: all connections for the page done, going to next page in " +
          config.actionDelay +
          " ms"
      );
      setTimeout(() => this.nextPage(config), config.actionDelay);
    } else {
      data.pageButtonIndex++;
      console.debug(
        "DEBUG: sending next invite in " + config.actionDelay + " ms"
      );
      setTimeout(() => this.sendInvites(data, config), config.actionDelay);
    }
  },
  nextPage: function (config) {
    var pagerButton = document.getElementsByClassName(
      "artdeco-pagination__button--next"
    );
    if (
      !pagerButton ||
      pagerButton.length === 0 ||
      pagerButton[0].hasAttribute("disabled")
    ) {
      console.info("INFO: no next page button found!");
      return this.complete(config);
    }
    console.info("INFO: Going to next page...");
    pagerButton[0].click();
    setTimeout(() => this.init({}, config), config.nextPageDelay);
  },
  complete: function (config) {
    console.info(
      "INFO: script completed after sending " +
        config.totalRequestsSent +
        " connection requests"
    );
  },
  totalRows: function () {
    var search_results = document.getElementsByClassName("search-result");
    if (search_results && search_results.length != 0) {
      return search_results.length;
    } else {
      return 0;
    }
  },
};

Linkedin.init({}, Linkedin.config);

@ucalyptus2 Yup, works with "Connect" buttons only. That way we can send those personalized invites! I also filtered for current company employees only.

My script wasn't working when not set to send a note, so I fixed it to catch the "Send without a note" button too, here's it:

It was modified upon @hargun0360 version already:

// If the script does not work, you may need to allow same site scripting https://stackoverflow.com/a/50902950
Linkedin = {
  config: {
    scrollDelay: 3000,
    actionDelay: 5000,
    nextPageDelay: 5000,
    // set to -1 for no limit
    maxRequests: -1,
    totalRequestsSent: 0,
    // set to false to skip adding note in invites
    addNote: true,
    note: "Hey {{name}}, I'm looking forward to connecting with you!",
  },
  init: function (data, config) {
    console.info("INFO: script initialized on the page...");
    console.debug(
      "DEBUG: scrolling to bottom in " + config.scrollDelay + " ms"
    );
    setTimeout(() => this.scrollBottom(data, config), config.actionDelay);
  },
  scrollBottom: function (data, config) {
    window.scrollTo({ top: document.body.scrollHeight, behavior: "smooth" });
    console.debug("DEBUG: scrolling to top in " + config.scrollDelay + " ms");
    setTimeout(() => this.scrollTop(data, config), config.scrollDelay);
  },
  scrollTop: function (data, config) {
    window.scrollTo({ top: 0, behavior: "smooth" });
    console.debug(
      "DEBUG: inspecting elements in " + config.scrollDelay + " ms"
    );
    setTimeout(() => this.inspect(data, config), config.scrollDelay);
  },
  inspect: function (data, config) {
    var totalRows = this.totalRows();
    console.debug("DEBUG: total search results found on page are " + totalRows);
    if (totalRows >= 0) {
      this.compile(data, config);
    } else {
      console.warn("WARN: end of search results!");
      this.complete(config);
    }
  },
  compile: function (data, config) {
    var elements = document.querySelectorAll(".entity-result__actions button");
    var isCurrent = [];
    var paragraphs = document.getElementsByClassName(
      "entity-result__summary--2-lines"
    );
    Array.from(paragraphs).forEach((element) => {
      if (element.textContent.includes("Current:")) {
        isCurrent.push(true);
      } else {
        isCurrent.push(false);
      }
    });
    data.pageButtons = [...elements].filter((element, index) => {
      if (element.textContent.trim() === "Connect" && isCurrent[index]) {
        return element.textContent.trim() === "Connect";
      }
    });
    if (!data.pageButtons || data.pageButtons.length === 0) {
      console.warn("ERROR: no connect buttons found on page!");
      console.info("INFO: moving to next page...");
      setTimeout(() => {
        this.nextPage(config);
      }, config.nextPageDelay);
    } else {
      data.pageButtonTotal = data.pageButtons.length;
      console.info("INFO: " + data.pageButtonTotal + " connect buttons found");
      data.pageButtonIndex = 0;
      var names = document.getElementsByClassName("entity-result__title-text");
      names = [...names].filter(function (element, index) {
        if (isCurrent[index]) {
          return element.parentNode.parentNode.parentNode.parentNode.parentNode.parentNode.parentNode.parentNode.textContent.includes(
            "Connect\n"
          );
        }
      });
      data.connectNames = [...names].map(function (element) {
        return element.innerText.split(" ")[0];
      });
      console.debug(
        "DEBUG: starting to send invites in " + config.actionDelay + " ms"
      );
      setTimeout(() => {
        this.sendInvites(data, config);
      }, config.actionDelay);
    }
  },
  sendInvites: function (data, config) {
    console.debug("remaining requests " + config.maxRequests);
    if (config.maxRequests == 0) {
      console.info("INFO: max requests reached for the script run!");
      this.complete(config);
    } else {
      console.debug(
        "DEBUG: sending invite to " +
        (data.pageButtonIndex + 1) +
        " out of " +
        data.pageButtonTotal
      );
      var button = data.pageButtons[data.pageButtonIndex];
      button.click();
      if (config.addNote && config.note) {
        console.debug(
          "DEBUG: clicking Add a note in popup, if present, in " +
          config.actionDelay +
          " ms"
        );
        setTimeout(() => this.clickAddNote(data, config), config.actionDelay);
      } else {
        console.debug(
          "DEBUG: clicking done in popup, if present, in " +
          config.actionDelay +
          " ms"
        );
        setTimeout(() => this.clickDone(data, config), config.actionDelay);
      }
    }
  },
  clickAddNote: function (data, config) {
    var buttons = document.querySelectorAll("button");
    var addNoteButton = Array.prototype.filter.call(buttons, function (el) {
      return el.textContent.trim() === "Add a note";
    });
    // adding note if required
    if (addNoteButton && addNoteButton[0]) {
      console.debug("DEBUG: clicking add a note button to paste note");
      addNoteButton[0].click();
      console.debug("DEBUG: pasting note in " + config.actionDelay);
      setTimeout(() => this.pasteNote(data, config), config.actionDelay);
    } else {
      console.debug(
        "DEBUG: add note button not found, clicking send on the popup in " +
        config.actionDelay
      );
      setTimeout(() => this.clickDone(data, config), config.actionDelay);
    }
  },
  pasteNote: function (data, config) {
    noteTextBox = document.getElementById("custom-message");
    noteTextBox.value = config.note.replace(
      "{{name}}",
      data.connectNames[data.pageButtonIndex]
    );
    noteTextBox.dispatchEvent(
      new Event("input", {
        bubbles: true,
      })
    );
    console.debug(
      "DEBUG: clicking send in popup, if present, in " +
      config.actionDelay +
      " ms"
    );
    setTimeout(() => this.clickDone(data, config), config.actionDelay);
  },
  clickDone: function (data, config) {
    var buttons = document.querySelectorAll("button");
    var doneButton = Array.prototype.filter.call(buttons, function (el) {
       return el.textContent.trim() === "Send" || el.textContent.trim() === "Send without a note";
    });
    // Click the first send button
    if (doneButton && doneButton[0]) {
      console.debug("DEBUG: clicking send button to close popup");
      doneButton[0].click();
    } else {
      console.debug(
        "DEBUG: send button not found, clicking close on the popup in " +
        config.actionDelay
      );
    }
    setTimeout(() => this.clickClose(data, config), config.actionDelay);
  },
  clickClose: function (data, config) {
    var closeButton = document.getElementsByClassName(
      "artdeco-modal__dismiss artdeco-button artdeco-button--circle artdeco-button--muted artdeco-button--2 artdeco-button--tertiary ember-view"
    );
    if (closeButton && closeButton[0]) {
      closeButton[0].click();
    }
    console.info(
      "INFO: invite sent to " +
      (data.pageButtonIndex + 1) +
      " out of " +
      data.pageButtonTotal
    );
    config.maxRequests--;
    config.totalRequestsSent++;
    if (data.pageButtonIndex === data.pageButtonTotal - 1) {
      console.debug(
        "DEBUG: all connections for the page done, going to next page in " +
        config.actionDelay +
        " ms"
      );
      setTimeout(() => this.nextPage(config), config.actionDelay);
    } else {
      data.pageButtonIndex++;
      console.debug(
        "DEBUG: sending next invite in " + config.actionDelay + " ms"
      );
      setTimeout(() => this.sendInvites(data, config), config.actionDelay);
    }
  },
  nextPage: function (config) {
    var pagerButton = document.getElementsByClassName(
      "artdeco-pagination__button--next"
    );
    if (
      !pagerButton ||
      pagerButton.length === 0 ||
      pagerButton[0].hasAttribute("disabled")
    ) {
      console.info("INFO: no next page button found!");
      return this.complete(config);
    }
    console.info("INFO: Going to next page...");
    pagerButton[0].click();
    setTimeout(() => this.init({}, config), config.nextPageDelay);
  },
  complete: function (config) {
    console.info(
      "INFO: script completed after sending " +
      config.totalRequestsSent +
      " connection requests"
    );
  },
  totalRows: function () {
    var search_results = document.getElementsByClassName("search-result");
    if (search_results && search_results.length != 0) {
      return search_results.length;
    } else {
      return 0;
    }
  },
};

Linkedin.init({}, Linkedin.config);