jquery实现tab键进行选择后enter键触发click行为

2019-11-19 17:00:00

字体：大中小

来源：转载

供稿：网友

这种使用场景为当首页有几个链接需要选择的时候，使用键盘就可以进行触发行为

复制下来放本地用吧网页上直接测试有问题

效果图：

下面是demo代码

<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>9</title> <script type="text/javascript" src="http://cdn.static.runoob.com/libs/jquery/1.10.2/jquery.min.js"></script> <style type="text/css"> .active{  background: pink; } </style></head><body> <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" onclick="aa(111)">111111111111111111</a> <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" onclick="aa(2222)">222222222222222222</a> <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" onclick="aa(3333)">333333333333333333333</a> <a class="active" href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" onclick="aa(44444)">4444444444444444444444</a> <!-- <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >111111111111111</a> --> <!-- <script type="text/javascript"> $("body").on("click",function(){  var $active=$(".active");  var index=$active.index();  var totalLength=$("div").length;  if (index==totalLength-1) {  $($("div")[0]).addClass("active").siblings("div").removeClass("active");  }else{  $active.next().addClass("active").siblings("div").removeClass("active");  } }) </script> --> <script type="text/javascript"> document.onkeydown=function(event){      var e = event || window.event || arguments.callee.caller.arguments[0];      if(e && e.keyCode==9){         // console.log(9999);        var $active=$(".active");  var index=$active.index();  var totalLength=$("a").length;  if (index==totalLength-1) {   $($("a")[0]).addClass("active").siblings("a").removeClass("active");  }else{   $active.next().addClass("active").siblings("a").removeClass("active");  }        return false;       }       if(e && e.keyCode==13){ // enter 键         var $active=$(".active");         // var aa=$active.value;         // $active.click(function(event) {         // /* Act on the event */         // });         $active.trigger("click");         // console.log(aa);        // console.log(9999);       }    };  </script> <!-- <script type="text/javascript"> var $active=$(".active");    var aa=$active.value;    console.log(aa); </script> --> <script type="text/javascript"> function aa(ss){  alert(ss); } </script> <!-- <script type="text/javascript"> var arr=[1,2,3]; var index = Math.floor((Math.random()*arr.length));  console.log(arr[index]); </script> --></body></html>

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