我正在尝试使用dojo.gridx和dojo.JsonRest作为我的内存存储。由于行的一些约束需要在提交前完全填写,因此我使用了lazyEdit功能。
我有一个按钮和延迟对象,定义如下
grid.startup();
// var gridDeferred = new Deferred(function(reason){
// do something when the Deferred is cancelled
// alert("canceled");
// });
var saveButton = n
我正在尝试用React构建一个类似Facebook的按钮,以便更好地处理有状态的组件。我不确定是什么问题,但我想是钥匙的问题。
Error: Objects are not valid as a React child (found: object with keys {numLikes, onSelect}). If you meant to render a collection of children, use an array instead.
in p (at LikeButton.js:8)
in LikeButton (at App.js:10)
in A
我正在尝试重构我的代码,在这样做的过程中,我提取了一个项目,并将其放入它自己的组件中。这个MemberItem组件有多个影响其呈现的函数状态,但是,当我开始传递道具时,该组件就会断开。我正在传递子组件所需的所有函数、属性和状态,但我仍然无法使其正确呈现。 // Members.js (Parent Component)
export const Members = () => {
// BELOW ARE THE FUNCTIONS AND STATE THAT INFLUENCE THE CHILD COMPONENT
const [memberName, setMembe
我编写了一个类,这是一个片段,用来演示我的问题。
<!--language:lang-js-->
var myclass = function () {
this.addItem = function () {
//generateDiv and append..
//generatedeletebtn and append
btn.onclick = this.deleteItem;
}
this.deleteItem = function () {
console.log(this
我正在尝试做一个按钮来改变全局变量。
HTML
<script src='script.js'><script>
<button onclick = "myFunction(a)>Increase A</button>
<button onclick = "myFunction(b)>Increase B</button>
JavaScript
var a = 0;
var b = 0;
function myFunction(variable){
variable += 1;
}
Function.prototype.bind = function(){
var fn = this,
// clone arguments
args = Array.prototype.slice.call(arguments),
// get the first argument, which should be an object, and args will be modified.
object = args.shift();
return function(){
return fn.apply(object,
看到这样的代码:
index.html
<script type = "text/javascript" src = "choices.js" ></script>
<form id = "myForm" action = "">
<p>
<label> <input type = "radio" name = "myChoice" value = "A" />
A </labe