10 examples of 'javascript get all elements by class' in JavaScript

134
function getElements(className) {
135
 var elements = [];
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 var el = document.getElementsByTagName('DIV');  
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 var regexp=new RegExp("\\b"+className+"\\b");
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 for (var i = 0; i < el.length; i++) 
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 {
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  if (regexp.test(el[i].className)) 
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   elements.push(el[i]);
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 }
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 return elements;
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}

12
export function queryElementsByClass(
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  selectors: string,
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  parentNode = document
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): any {
16
  return parentNode.getElementsByClassName(selectors);
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}

44
function bySelectorAll(selector) {
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    return document.querySelectorAll(selector);
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}

16
function getElementsByClassName(className) {
17
    if (document.getElementsByClassName) {
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        return document.getElementsByClassName(className);
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    } else {  // IE8
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        return document.querySelectorAll('.' + className);
21
    }
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}

34
function forEachElementInClass(className, callback, arg) {
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	var references = document.getElementsByClassName(className);
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	for (i = 0; i < references.length; ++i) {
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		callback(references[i], i, arg);
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	}
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}

168
function getElementsByClassName (element, tag, className) {
169
    return filter(element.find(tag), x => angular.element(x).hasClass(className));
170
}

292
getElementsByClassName(className) {
293
  if (typeof className !== 'string') return [];
294
295
  return this.$_tree.getByClassName(className);
296
}

5
function $$(classname) {
6
    var nodeList = document.getElementsByClassName(classname);
7
    var elts = [];
8
    for (var i = 0; i < nodeList.length; i++)
9
        elts.push(nodeList[i]);
10
    return elts;
11
}

128
getElementsByClassName(name) {
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  const html = this.documentElement;
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  return (html.classList.contains(name) ? [html] : [])
131
          .concat(html.getElementsByClassName(name));
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}

78
findAll (css) {
79
  return Array.prototype.slice.call(this._div.querySelectorAll(css))
80
}