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JS enables button control of timing start and stop, js timing
The following is an example code about the JS implementation button control timing Start and Stop functions. The specific code is as follows:
<Span style = "font-size: 18px;"> <body> alarm: <span id = "nz"> </span> <input type = "button" value = "start timing" onclick = "nzbg (this) "> <input type =" button "value =" End Time "onclick =" nzbg (this) "> <script type =" text/javascript "> function nzbg (obj) {var a = document. getElementById ("nz"); time = new Date (). toLocaleString ();. innerHTML = time; if (obj. value = "start timing") {nz_bg = window. setInterval ("nzbg ()", 1000);} if (obj. value = "End Time") {nz_bg = window. clearInterval (nz_bg) ;}</script> </body> </span>
Summary
The above is the JS implementation button control start and stop function introduced by xiaobian. I hope it will be helpful to you. If you have any questions, please leave a message for me, the editor will reply to you in a timely manner. Thank you very much for your support for the help House website!
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