10 examples of 'javascript add class to body' in JavaScript

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function styleBody(body) {
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	if (!body) {
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		return
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	}
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	body.classList.remove('vscode-light', 'vscode-dark', 'vscode-high-contrast');
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	body.classList.add(initData.activeTheme);
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}

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function addClass(className) {
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    this.classList.add(className);
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    return this;
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}

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function addJsClass(el) {
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    var classes = document.body.className.split(" ");
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    classes.push("js");
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    document.body.className = classes.join(" ");
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}

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function addClassToDiv(div, className) {
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    const arr = div.className.split(" ");
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    if (arr.indexOf(className) === -1) {
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        div.className += ` ${className}`;
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    }
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}

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getBodyClasses() {
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    const {bodyCentered} = this.options;
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    let bodyClasses = this.styleSheet.body;
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    if (bodyCentered) {
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        bodyClasses = bodyClasses + this.styleSheet.centered;
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    }
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    return bodyClasses;
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}

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function add(el, className) {
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  if (el.classList) {
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    el.classList.add(className);
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    return;
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  }
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  var current = el.className;
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  if (!current.length) {
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    el.className = className;
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  } else if (!lookupClass(className).test(current)) {
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    el.className += ' ' + className;
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  }
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}

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addClassName(className)
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{
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    if (this._classNames.includes(className))
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        return;
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    this._classNames.push(className);
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    if (this._listItemNode)
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        this._listItemNode.classList.add(className);
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}

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function addClass(className) {
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  const firstChild = this.getFirstChild();
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  firstChild.addClass(className);
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}

7
function addJavascript(jsname, pos) {
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  var th = document.getElementsByTagName(pos)[0];
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  var s = document.createElement('script');
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  s.setAttribute('type', 'text/javascript');
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  s.setAttribute('src', jsname);
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  th.appendChild(s);
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};

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private toggleBodyClass(isAdd: boolean): void {
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  if (isAdd) {
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    this.renderer.addClass(this.documentRef.body, ModalComponent.MODEL_OPEN_CSS);
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    return;
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  }
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  this.renderer.removeClass(this.documentRef.body, ModalComponent.MODEL_OPEN_CSS);
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}