Remove class from all elements JavaScript code example

Example 1: how to remove a class from element with javascript

const div =  document.querySelector('div') // Get element from DOM
div.classList.remove('info') // Remove class "info"

Example 2: jquery remove class

//Remove this same line after copying
Basic Syntax:
$(element).removeClass( "myClass yourClass" )
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Html code example:
<p class="red highlight">test1</p>
<p class="red highlight marked">test2</p>
<p class="red highlight">test3</p>
<p class="red highlight">test4</p>

// remove all highlight class from p tag
<script>
	$( "p" ).removeClass( "highlight" )
</script>

// output after execution of this code
<p class="red">test1</p>
<p class="red marked">test2</p>
<p class="red">test3</p>
<p class="red">test4</p>

Example 3: remove a class from all elements javascript

var class_name='classname';

elements=document.getElementsByClassName(class_name)

for(element of elements){
  element.classList.remove(class_name)
}

Example 4: jquery remove class

$("#div1").on("click", function () {
    if ($(this).hasClass("active")) {
      setTimeout(function () {
        $("#div1").removeClass("active");
      }, 10);
    }
  });

Example 5: how to remove class in all siblings javascript

const setActive = el => {
    [...el.parentElement.children].forEach(sib => sib.classList.remove('active'))
    el.classList.add('active')
    }