芦猛猛 2021-09-27 07:09 自动变速箱分好多种，CVT也是其中的一种。现在最普遍的自动变速箱是5或6前速变速箱，简称5AT或6AT，它们是有5个或6个前进挡。
I have a select form element with 5 options.If option 2 is selected I want to display another form input box (this has a style of display:none initially).How can I attach an event to opt开发者_如何学J
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