10 examples of 'find class name in jquery' in JavaScript

2412
function w3AddClass(element, name) {
2413
  var i, arr1, arr2;
2414
  arr1 = element.className.split(" ");
2415
  arr2 = name.split(" ");
2416
  for (i = 0; i < arr2.length; i++) {
2417
    if (arr1.indexOf(arr2[i]) == -1) {element.className += " " + arr2[i];}
2418
  }
2419
}

14
export async function getCssClasses(elementFinder: ElementFinder): Promise {
15
  const classAttr: string = await elementFinder.getAttribute('class');
16
  return classAttr.split(/\s+/);
17
}

2421
function w3RemoveClass(element, name) {
2422
  var i, arr1, arr2;
2423
  arr1 = element.className.split(" ");
2424
  arr2 = name.split(" ");
2425
  for (i = 0; i < arr2.length; i++) {
2426
    while (arr1.indexOf(arr2[i]) > -1) {
2427
      arr1.splice(arr1.indexOf(arr2[i]), 1);     
2428
    }
2429
  }
2430
  element.className = arr1.join(" ");
2431
}

50
function getClassName(cn) {
51
  return CLASSNAMES[cn] || cn;
52
}

107
function removeClass(elem,cName) {
108
  if (elem.className) {
109
    var toReplace = elem.className.match(' ' + cName);
110
    elem.className = elem.className.replace(toReplace, '');
111
  }
112
}

12
export function addClass(obj: HTMLElement, cls: string) {
13
    if (!hasClass(obj, cls)) {
14
        obj.className += ` ${cls}`
15
    }
16
}

45
function JQueryClosestByClass(element, clazz) {
46
  while (element) {
47
    if (JQueryHasClass(element, clazz)) {
48
      return element;
49
    }
50
    element = element.parentNode;
51
  }
52
  return null;
53
}

92
function getClassNameName(cn) {
93
    if (isClassName(cn)) {
94
	return cn[1];
95
    } else {
96
	throw new Error("Interpreter error: "  +
97
			"The argument of getClassNameName is not a ClassName value.");
98
    }
99
}

96
function hasClass(el, className) {
97
98
    if (!el || !className) {
99
        return false;
100
    }
101
102
    const elClassName = el.className;
103
104
    if (!elClassName) {
105
        return false;
106
    }
107
108
    const elClass = elClassName.split(/\s+/);
109
110
    return elClass && elClass.findIndex(item => item === className) !== -1;
111
112
}

82
function hasClass(obj, cl) {
83
	return regex(cl).test(obj.className);
84
}