calling javafunction from jfidle
calling javafunction from jfidle
我真的很难运行Javascript函数。
我在jfiddle中输入了这个简单的函数。
function makeFunc() {
var name = "Mozilla";
function displayName() {
alert(name);
}
var myFunc = makeFunc();
myFunc();
,我想从控制台调用它,我试过:
我已经尝试了各种方法调用函数Makefunc(),但没有一个工作。
,当我检查name变量时,它给我的结果不是"Mozzilla"。怎么会?
>>> myFunc();
ReferenceError: myFunc is not defined
undefined
>>> myFunc()
ReferenceError: myFunc is not defined
undefined
>>> displayName
ReferenceError: displayName is not defined
undefined
>>> displayName()
ReferenceError: displayName is not defined
undefined
>>> makeFunc();
ReferenceError: makeFunc is not defined
undefined
>>> makeFunc()
ReferenceError: makeFunc is not defined
undefined
>>> name
"result"
>>> alert(name);
undefined
>>> myFunc
ReferenceError: myFunc is not defined
undefined
>>> myFunc();
ReferenceError: myFunc is not defined
undefined
>>>
您缺少关闭makeFunc
功能的}
。你也需要从makeFunc
返回一些东西,否则它总是会返回undefined
。
function makeFunc() {
var name = "Mozilla";
return function displayName() {
alert(name);
}
}
var myFunc = makeFunc();
myFunc();
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