根据从元素中选择的选项禁用不同的输入[英]Disable different Inputs based on Option selected from a element

I'm creating a contact us form, which should concede of multiple Text Inputs, A Text area & a Submit button. Above this form should be a drop down selection with three options in this example I've used 'Select an Option','Option 1' & 'Option2'.I'm creating a contact us form, which should co