jQuery：仅在包含3个表单的页面中将事件附加到2个表单

I have a page with 3 forms, every form has it's unique id. I also have two scripts, one should be invoked with two forms but not the third and another only with the third. I can attach the script to the third only by selecting it like this:I have a page with 3 forms, every form has it's