Press enter to submit a form.

This is a test that I did a long time ago. I can't remember the results, so I took it out for a review. By the way, let's look for a problem.

Only one input, press enter to automatically submit the form <br/> <form method = "Post" Action = "a.html" target = "_ blank"> <br/> <input type = "text" name = ""qqq"/> <br/> </form> <br/> only one input and one submit are allowed, press enter to automatically submit the form <br/> <form method = "Post" Action = "a.html" target = "_ blank"> <br/> <input type = "text" name =" "qqq"/> <br/> <input type = "Submit"/> <br/> </form> <br/> only one input and one button exist, press enter to automatically submit the form <br/> <form method = "Post" Action = "a.html" target = "_ blank"> <br/> <input ty Pe = "text" name = "qqq"/> <br/> <button> submit </button> <br/> </form> <br/> two inputs and one submit, press enter to automatically submit the form <br/> <form method = "Post" Action = "a.html" target = "_ blank"> <br/> <input type = "text" name = ""qqq"/> <br/> <input type = "text" name = "www"/> <br/> <input type = "text" name = "textfield2" style = "display: none "mce_style =" display: none "/> <br/> <input type =" Submit "/> <br/> </form> <br/> there are two inputs and one button, firefox press enter to automatically submit the form, IE does not submit automatically <br/> <form method = "Post" Action = "a.html" target = "_ blank"> <br/> <input type =" text "name =" qqq "/> <br/> <input type =" text "name =" www "/> <br/> <button onclick =" subform () "> submit </button> <br/> <! -- <Input type = "button" value = "Submit" onclick = "subform () "/> --> <br/> </form> <br/> there are two inputs and one input button. Firefox does not automatically submit the form when you press Enter, IE does not automatically submit <br/> after a hidden submit is added to the form, Firefox will press enter to automatically submit the form, IE does not submit automatically <br/> <form method = "Post" Action = "a.html" target = "_ blank"> <br/> <input type =" text "name =" qqq "/> <br/> <input type =" text "name =" www "/> <br/> <! -- <Input type = "Submit" name = "submit2" value = "Submit" style = "display: none;" mce_style = "display: none; "/> --> <br/> <input type =" button "value =" Submit "onclick =" subform () "/> <br/> </form> <br/> two inputs and one input button, firefox IE does not automatically submit <br/> <form name = 'frm' method = "Post" Action = "a.html" target = "_ blank"> <br/> <Input type = "text" name = "qqq"/> <br/> <input type = "text" name = "www"/> <br/> <Input type = "button" value = "Submit" onclick = "frm. Submit ();"/> <br/> </form> </P> <p> <! -- <Input type = "Submit"/> <br/> <button> submit </button> <br/> <input type = "text" name = "textfield2" style = "display: none "mce_style =" display: none "/> <br/> <input type =" button "value =" Submit "onclick =" frm. submit (); "/> --> </P> <p> <MCE: Script Type =" text/JavaScript "> <! -- <Br/> function subform () {<br/> alert (""); <br/>}< br/> // --> </MCE: SCRIPT> <br/> // onsubmit = "Return false; "<br/> <form method =" get "Action =" a.html "target =" _ blank "onsubmit =" Return false; "> <br/> <input type =" text "name =" www "/> <br/> <button> submit </button> <br/> <input id = "searchbox_forceform_submit" type = "Submit"> <br/> </form>