[英]javascript - sending a parameter to a function
I have this: 我有这个:
var MyObject = {};
MyObject.doStuff = function(someParam) {
var webdav = new Webdav("addr","port");
var handler = {
onSuccess: MyObject.Success,
onError: MyObject.Fail
}
webdav.PUT(handler, filename, options);
}
MyObject.Success = function(result) {
alert('status ' + result.status + result.statusstring);
}
I'm using exo platform javascript library for webdav access (if it matters) 我正在使用exo平台 javascript库进行webdav访问(如果重要)
The handler I'm creating will call MyObject.Success
if webdav.PUT
is done succesfully. 如果成功完成
webdav.PUT
则我正在创建的处理程序将调用MyObject.Success
。 How can i send the someParam
to that function too? 我也该如何将
someParam
发送到该函数?
Put in another way, after a successful or failed operation, I'm interested in doing something with the someParam
, depending of the result. 换句话说,在成功或失败的操作之后,我对根据结果对
someParam
做一些事情感兴趣。
You should look into javascript objects, and try to contain the code within one scope. 您应该研究javascript对象,并尝试将代码包含在一个范围内。 Something like this:
像这样:
var MyObject = {
var doStuff = function(someParam) {
var webdav = new Webdav("addr","port");
var handler = {
onSuccess: function(result) {success(result, someParam);},
onError: function() { fail(); }
}
webdav.PUT(handler, filename, options);
}
var success = function(result, someParam) {
alert('status ' + result.status + result.statusstring);
}
var fail = function() {}
this.doStuff = doStuff;
}
var myObj = new MyObject();
myObj.doStuff(param);
This may be what you'r looking for: javascript callback function and parameters 这可能是您要寻找的: javascript回调函数和参数
or maybe: http://onemarco.com/2008/11/12/callbacks-and-binding-and-callback-arguments-and-references/ 或: http : //onemarco.com/2008/11/12/callbacks-and-binding-and-callback-arguments-and-references/
var someParam = 'foo';
var handler = {
onSuccess: function(result) {success(result, someParam);},
onError: function() { fail(); }
}
One simple way to do it, taking advantage of JavaScript closures: 一种简单的方法,利用JavaScript闭包:
var handler = {
onSuccess: function(result) { MyObject.Success(result, someParam); },
onError: MyObject.Fail
}
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