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in Technique[技术] by (71.8m points)

h5中,如何js代码,输入框input-box点击一次,为什么会不停的alert?

$("#input-box").on("focus",function(e){
   alert(123)
});

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by (71.8m points)

你监听的是焦点事件

  • 1 :点击input获取焦点,开始弹窗
  • 2 :弹窗会失去焦点
  • 3 :关闭弹窗,又获取焦点,开始弹窗
  • 2、3反复,死循环

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