var fn = function(){...}和var fn = function foo(){...}是否有所不同? [英] Do var fn = function() {...} and var fn = function foo() {...} ever differ?
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问题描述
当您为变量分配函数时,如果使用命名而不是匿名函数,它是否会产生任何差异。以下内容生成错误foo()未定义。
When you're assigning a function to a variable, does it make any difference at all if you use a named instead of an anonymous function. The following generates an error that "foo() is not defined".
var fn = function foo(){...};
foo();
任何人都可以清理这里发生了什么吗?
Can anyone clear up what's going on here?
推荐答案
您正在创建命名函数表达式。
除IE浏览器外,该名称仅在功能。
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