javascript当中arguments用法
javascript当中arguments用法
8）arguments 例 3.8.1 <head> <meta http-equiv="content-type" content="text/html; charset=utf-8"/> </head> <script> /* when there are n functions with the same function name, only the last one is used. */ function test() { document.writeln("no argument constructor."); } function test(person) { document.writeln("马克-to-win2"); /*Function.arguments[] (Collection) The values passed to the function when it is called. 马克-to-win: inside function,we can directly use arguments. */ var n = arguments.length; document.writeln("n is " + n); for (var i = 0; i < n; i++) { document.writeln("马克-to-win3"); document.writeln(arguments[i]) } document.writeln(person); document.writeln(typeof(person) + "is typeof"); } /*when no param, undefined is passed in. no overloaded function concept.*/ test(); /*when there is no this function, program stops here.*/ change(); document.writeln("finally"); </script>
更多请见：https://blog.csdn.net/qq_44594249/article/details/100091795
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