Function jqLiteAddClass

test/angular/1.7/angular.js:3421–3438

(element, cssClasses)

}

function jqLiteAddClass(element, cssClasses) {
  if (cssClasses && element.setAttribute) {
    var existingClasses = (' ' + (element.getAttribute('class') || '') + ' ')
                            .replace(/[\n\t]/g, ' ');
    var newClasses = existingClasses;

    forEach(cssClasses.split(' '), function(cssClass) {
      cssClass = trim(cssClass);
      if (newClasses.indexOf(' ' + cssClass + ' ') === -1) {
        newClasses += cssClass + ' ';
      }
    });

    if (newClasses !== existingClasses) {
      element.setAttribute('class', trim(newClasses));
    }
  }
}


function jqLiteAddNodes(root, elements) {