Available on: InDom

Tests whether the underlying element has the given CSS class.

Parameters:

Returns: {boolean} - true if the class is present, false otherwise.

Throws:

Examples:

// add 'clicked' class to any .example>div that gets clicked
const divs = $a('.example>div');
divs.onClick(n => n.addClass('clicked'));

// button: counts how many are currently clicked, then resets them
const sumResetClicked = $n('
Sum and reset clicked
');
$1('body').append(sumResetClicked);

sumResetClicked.onClick(() => {
  let clicked = 0;
  divs.each(n => {
    if (n.hasClass('clicked')) { // test state
      clicked++;
      n.removeClass('clicked'); // reset state
    }
  });
  console.log('clicked:' + clicked);
});