addClass Method (LTHelper)
Summary
Adds the specified class string to the HTML or SVG element's current class list.
Syntax
JavaScript Syntax
TypeScript Syntax
Parameters
element
HTML or SVG element to add the class to.
className
The class string.
Remarks
AddClass will first internally call HasClass to avoid duplicate work.
Like HasClass and RemoveClass, this method also works with browsers that do not support the HTML element classList property. This method will throw an error if the element is null or undefined.
Requirements
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