What do you think, which one is the better, faster, nicer solution to declare a function?
第一:
(var) myFunction = function(){
//Stuff to do
};
或二:
function myFunction() {
//Stuff to do
};
两者都将在 Java和 J文中工作。 但你认为做得更好?
What do you think, which one is the better, faster, nicer solution to declare a function?
第一:
(var) myFunction = function(){
//Stuff to do
};
或二:
function myFunction() {
//Stuff to do
};
两者都将在 Java和 J文中工作。 但你认为做得更好?
请注意,两者均以不同的方式行事——在《守则》执行之前界定了<条码>功能>。
typeof f; //returns undefined
var f = function() {};
but
typeof f; //returns function
function f() {}
(你也指出我做了哪些工作,我是否使用半殖民地?)
此外,功能说明(第二种选择)也被禁止。 未界定以下工作方式:
if (false) {
function f(){}
}
因此,<代码>f可能在某些浏览器上宣布,但不合逻辑。 然而,它允许采取以下行动:
var f;
if (some expr) {
f = function() {};
}
下次在提问之前进行更好的查询:var functionName =功能(){} vs functionName(){
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