我在function
创建对象:如何在javascript中动态命名对象中的元素?
createObject(attr) {
return {
attr: "test"
}
}
我希望attr
由function parameter
命名。现在我结束了这个对象:
{
attr: "test"
}
我该怎么做?
我在function
创建对象:如何在javascript中动态命名对象中的元素?
createObject(attr) {
return {
attr: "test"
}
}
我希望attr
由function parameter
命名。现在我结束了这个对象:
{
attr: "test"
}
我该怎么做?
创建一个新对象并使用括号表示法来设置属性。
function createObject(attr) {
var obj = {};
obj[attr] = "test";
return obj;
}
:D ...我刚刚张贴t他同样的答案:D(rofl)... –
这样?
createObject(attrName) {
var obj = {};
obj[attrName] = 'test';
return obj;
}
我提出这个笔来展示如何来构造对象:
http://codepen.io/dieggger/pen/pJXJex
//function receiving the poarameter to construct the object
var createObject = function(attr) {
//custom object with one predefined value.
var myCustomObject = {
anything: "myAnything",
};
//adding property to the object
myCustomObject[attr] = "Test";
//returning the constructed object
return myCustomObject;
}
//invoking function and assigning the returned object to a variable
var objReturned = createObject("name");
//simple alert , to test if it worked
alert(objReturned.name);
方括号标记 – sircapsalot
可能的[此]重复(http://stackoverflow.com/questions/2462800/how-to-create-a-dynamic-key-to-be-added-to-a-javascript-object-variable)and [this](https://stackoverflow.com/questions/695050/如何做我添加一个属性到一个JavaScript对象使用一个变量名称) – sircapsalot