A button can be clicked more than once in a short period of time, it is possible to be malicious users click, there is a good way to stop, I hope to help you.
If a button can be clicked more than once in a short period of time, it may be malicious clicks of the user, in order to prevent this situation, you can set a certain time to click only once, other times prohibit the click button. Code as follows: <html xmlns= "http://www.w3.org/1999/xhtml" > <head runat= "Server" > <title>js timed Event </title> <script src= "js/jquery-1.9.1.js" type= "Text/javascript" ></script > </head> <body> <form id= "Form1" runat= "Server" > <div> < Input type= "button" value= "click Me" id= "btn" onclick= "Show ()"/> </div> <script type= "text/ JavaScript "> /* timeid=window.settimeout (" Method () ", 1000); Window.cleartimeout (Timeid), timed execution Timeid=window.setinterval ("Method ()", 1000); Window.clearinterval (Timeid); loop execution */ var nn = 30; var tipid; function Show () { Tipid = Window.setinterval ("Start ()", 1000); Call Start () method every 1 seconds } function start () { if (nn > 0) { var vv = "Click me (" + NN + ")"; $ ("#btn"). attr ("Disabled", "disablEd "); Make the button cannot be clicked $ ("#btn"). attr ("value", VV); Change the text on the button nn--; } else { nn = 30; $ ("#btn"). Removeattr ("Disabled");//enable button to be clicked $ ("#btn"). attr ("value", "Point Me Down"); Change the text on the button Window.clearinterval (tipid); Purge Cycle events } } </script> </form> </body> </html> Start building with 50+ products and up to 12 months usage for Elastic Compute Service
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