如何通过单击使用 jquery/javascript 的步骤从一个选项卡指向另一个选项卡？

Question

如何通过单击使用 jquery/javascript (this & ele) 的步骤从一个选项卡指向另一个选项卡？ 我附上了一份 js 代码和 html 代码

如何通过单击使用 jquery/javascript (this & ele) 的步骤从一个选项卡指向另一个选项卡？ 我附上了一份 js 代码和 html 代码

  <span class="step" onclick="direct_to_tab(this)"></span>
  <span class="step" onclick="direct_to_tab(this)"></span>
  <span class="step" onclick="direct_to_tab(this)"></span>
  <span class="step" onclick="direct_to_tab(this)"></span>

var currentTab = 0; // Current tab is set to be the first tab (0)
showTab(currentTab); // Display the current tab

function showTab(n) {
  // This function will display the specified tab of the form ...
  var x = document.getElementsByClassName("tab");
  x[n].style.display = "block";
  // ... and fix the Previous/Next buttons:
  if (n == 0) {
    document.getElementById("prevBtn").style.display = "none";
  } else {
    document.getElementById("prevBtn").style.display = "inline";
  }
  if (n == (x.length - 1)) {
    document.getElementById("nextBtn").style.display = "none";
  } else {
    // document.getElementById("nextBtn").innerHTML = "Next tab";
    document.getElementById("nextBtn").style.display = "";

  }
  // ... and run a function that displays the correct step indicator:
  fixStepIndicator(n)
}

function nextPrev(n) {
  // This function will figure out which tab to display
  var x = document.getElementsByClassName("tab");
  // Exit the function if any field in the current tab is invalid:
  // Hide the current tab:
  x[currentTab].style.display = "none";
  // Increase or decrease the current tab by 1:
  currentTab = currentTab + n;
  // Otherwise, display the correct tab:
  showTab(currentTab);
}



function fixStepIndicator(n) {
  // This function removes the "active" class of all steps...
  var i, x = document.getElementsByClassName("step");
  for (i = 0; i < x.length; i++) {
    x[i].className = x[i].className.replace(" active", "");
  }
  //... and adds the "active" class to the current step:
  x[n].className += " active";
}

function direct_to_tab(ele){

}