w3 school hide code example

Example 1: jquery show hide

$("#hide").click(function(){
  $("p").hide();
});

$("#show").click(function(){
  $("p").show();
});

Example 2: how hide in html

#elementID{
display:none;
}

Example 3: hide automatically show and hide javascript

function toggleClock() {
    // get the clock
    var myClock = document.getElementById('clock');

    // get the current value of the clock's display property
    var displaySetting = myClock.style.display;

    // also get the clock button, so we can change what it says
    var clockButton = document.getElementById('clockButton');

    // now toggle the clock and the button text, depending on current state
    if (displaySetting == 'block') {
      // clock is visible. hide it
      myClock.style.display = 'none';
      // change button text
      clockButton.innerHTML = 'Show clock';
    }
    else {
      // clock is hidden. show it
      myClock.style.display = 'block';
      // change button text
      clockButton.innerHTML = 'Hide clock';
    }
  }