10 examples of 'classlist contains js' in JavaScript

33
export function hasClass(el: Element, className: string): boolean {
34
  return el.classList.contains(className);
35
}

112
function hasClass(element, className) {
113
    if (element.classList) {
114
        return element.classList.contains(className);
115
    } else {
116
        return (' ' + element.className + ' ').indexOf(' ' + className + ' ') >
117
            -1;
118
    }
119
}

277
export function hasClass(el, classToCheck) {
278
    throwIfWhitespace(classToCheck);
279
280
    if (el.classList) {
281
        // node.contains(otherNode)
282
        return el.classList.contains(classToCheck);
283
    } else {
284
        return classRegExp(classToCheck).test(el.className);
285
    }
286
}

66
export function hasClass(element: HTMLElement, className: string): boolean {
67
  if (element.classList) {
68
    return element.classList.contains(className);
69
  } else {
70
    return (element.className.split(" ").indexOf(className) >= 0);
71
  }
72
}

1
export function containsClassName(element: HTMLElement, classNameStr: string): boolean {
2
  return String(element.className).split(' ').indexOf(classNameStr) > -1;
3
}

38
function hasClass(node, className) {
39
  return node.className.split(' ').some(function(name) {
40
    return name === className;
41
  });
42
}

110
function hasClass(node: HTMLElement, classname: string): boolean {
111
  let current;
112
  const list = node.classList;
113
  if (list) {
114
    return list.contains(classname);
115
  } else {
116
    current = " " + getAttr(node, "class") + " ";
117
    return current.indexOf(" " + classname + " ") > -1;
118
  }
119
}

14
function hasClass(el, className) {
15
  if (el.classList) return el.classList.contains(className);
16
  else
17
    return !!el.className.match(new RegExp("(\\s|^)" + className + "(\\s|$)"));
18
}

1
export function removeFromElementClassIfContains(element, className) {
2
    const classList = element.classList;
3
    if (classList.contains(className)) {
4
        classList.remove(className);
5
    }
6
}

31
export function hasClass(node, className) {
32
    if (node.classList) {
33
        return !!className && node.classList.contains(className);
34
    }
35
    return node.className.split(/\s+?/).indexOf(className) > -1;
36
}