giving css class with js createElement code example
Example 1: create element javascript with class
// create div element by javascript with class
var div = document.createElement('div');
div.className = "div1";
Example 2: javascript create element with class
Let suppose we are creating a div using javascript create element
// create a new div element
var newDiv = document.createElement("div");
// assigning class name to the new div
newDiv.className = "className";