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<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>本教程(w3big.com)</title> <script src="http://cdn.static.w3big.com/libs/jquery/1.10.2/jquery.min.js"> </script> <script> $(document).ready(function(){ $("input").select(function(){ $("input").after("文本已选择!"); }); $("button").click(function(){ $("input").trigger("select"); }); }); </script> </head> <body> <input type="text" value="Hello World"> <br><br> <button>触发输入框的 select 事件</button> </body> </html>