In multiselect form. I want to select all values under optgroup that has same value. Foe example. If I have two option tags each with same value attribute let suppose value="2". I want to select all the options that has same value if one of the option is checked. I can't find this in documentation @lou please help.
In multiselect form. I want to select all values under optgroup that has same value. Foe example. If I have two option tags each with same value attribute let suppose value="2". I want to select all the options that has same value if one of the option is checked. I can't find this in documentation @lou please help.