vue js add class to element onclick button not working in vue

vue js add class to element onclick button not working in vue Product Description：

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Product parameters：283697

Available Colors：#348560

Available Sizes：541 * 181 * 535

Indicated for：bitcoin rush recension

Model Reference：vue js add class to element onclick button not working in vue

country of origin：USA

Customer Reviews：vue js add class to element onclick button not working in vue é um slot (caça-níquel) online de 15 linhas de pagamento desenvolvido pela Relax Gaming. .