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@SivanKarthick
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React Hello World w/ JSBin // source https://jsbin.com/tipixiy
<!DOCTYPE html>
<html>
<head>
<script src="http://fb.me/react-0.13.1.js"></script>
<meta charset="utf-8">
<title>React Hello World w/ JSBin</title>
</head>
<body>
<div id="react_example"></div>
<script id="jsbin-javascript">
/**
* Seems to be in line with this
* http://stackoverflow.com/questions/24147331/react-the-right-way-to-pass-form-element-state-to-sibling-parent-elements
* Now I have the state in parent and child. Is that good or bad? Why would I need it in child?
* Could probably take that out
* Another Example http://jsbin.com/pidipad/edit?js,output
* */
"use strict";
var _createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();
var _get = function get(_x, _x2, _x3) { var _again = true; _function: while (_again) { var object = _x, property = _x2, receiver = _x3; desc = parent = getter = undefined; _again = false; if (object === null) object = Function.prototype; var desc = Object.getOwnPropertyDescriptor(object, property); if (desc === undefined) { var parent = Object.getPrototypeOf(object); if (parent === null) { return undefined; } else { _x = parent; _x2 = property; _x3 = receiver; _again = true; continue _function; } } else if ("value" in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } } };
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
var Parent = (function (_React$Component) {
_inherits(Parent, _React$Component);
function Parent(props) {
var _this = this;
_classCallCheck(this, Parent);
_get(Object.getPrototypeOf(Parent.prototype), "constructor", this).call(this, props);
this.onUpdate = function (val) {
_this.setState({
fieldVal: val
});
};
this.state = {
fieldVal: ""
};
}
_createClass(Parent, [{
key: "render",
value: function render() {
return React.createElement(
"div",
null,
React.createElement(
"h2",
null,
"Parent"
),
"Value in Parent Component State: ",
this.state.fieldVal,
React.createElement("br", null),
React.createElement(Child, { onUpdate: this.onUpdate }),
React.createElement("br", null),
React.createElement(OtherChild, { passedVal: this.state.fieldVal })
);
}
}]);
return Parent;
})(React.Component);
var Child = (function (_React$Component2) {
_inherits(Child, _React$Component2);
function Child(props) {
var _this2 = this;
_classCallCheck(this, Child);
_get(Object.getPrototypeOf(Child.prototype), "constructor", this).call(this, props);
this.update = function (e) {
console.log(e.target.value);
_this2.props.onUpdate(e.target.value);
_this2.setState({ fieldVal: e.target.value });
};
this.state = {
fieldVal: ""
};
}
_createClass(Child, [{
key: "render",
value: function render() {
return React.createElement(
"div",
null,
React.createElement(
"h4",
null,
"Child"
),
React.createElement("input", {
type: "text",
placeholder: "type here",
onChange: this.update,
value: this.state.fieldVal
})
);
}
}]);
return Child;
})(React.Component);
var OtherChild = (function (_React$Component3) {
_inherits(OtherChild, _React$Component3);
function OtherChild() {
_classCallCheck(this, OtherChild);
_get(Object.getPrototypeOf(OtherChild.prototype), "constructor", this).apply(this, arguments);
}
_createClass(OtherChild, [{
key: "render",
value: function render() {
return React.createElement(
"div",
null,
React.createElement(
"h4",
null,
"OtherChild"
),
"Value in OtherChild Props: ",
this.props.passedVal
);
}
}]);
return OtherChild;
})(React.Component);
React.render(React.createElement(Parent, null), document.getElementById('react_example'));
</script>
<script id="jsbin-source-html" type="text/html"><!DOCTYPE html>
<html>
<head>
<script src="//fb.me/react-0.13.1.js"><\/script>
<meta charset="utf-8">
<title>React Hello World w/ JSBin</title>
</head>
<body>
<div id="react_example"></div>
</body>
</html></script>
<script id="jsbin-source-javascript" type="text/javascript">/**
* Seems to be in line with this
* http://stackoverflow.com/questions/24147331/react-the-right-way-to-pass-form-element-state-to-sibling-parent-elements
* Now I have the state in parent and child. Is that good or bad? Why would I need it in child?
* Could probably take that out
* Another Example http://jsbin.com/pidipad/edit?js,output
* */
class Parent extends React.Component {
constructor(props) {
super(props);
this.state = {
fieldVal: ""
}
}
onUpdate = (val) => {
this.setState({
fieldVal: val
})
};
render() {
return (
<div>
<h2>Parent</h2>
Value in Parent Component State: {this.state.fieldVal}
<br/>
<Child onUpdate={this.onUpdate} />
<br />
<OtherChild passedVal={this.state.fieldVal} />
</div>
)
}
}
class Child extends React.Component {
constructor(props) {
super(props);
this.state = {
fieldVal: ""
}
}
update = (e) => {
console.log(e.target.value);
this.props.onUpdate(e.target.value);
this.setState({fieldVal: e.target.value});
};
render() {
return (
<div>
<h4>Child</h4>
<input
type="text"
placeholder="type here"
onChange={this.update}
value={this.state.fieldVal}
/>
</div>
)
}
}
class OtherChild extends React.Component {
render() {
return (
<div>
<h4>OtherChild</h4>
Value in OtherChild Props: {this.props.passedVal}
</div>
)
}
}
React.render(
<Parent />,
document.getElementById('react_example')
);</script></body>
</html>
/**
* Seems to be in line with this
* http://stackoverflow.com/questions/24147331/react-the-right-way-to-pass-form-element-state-to-sibling-parent-elements
* Now I have the state in parent and child. Is that good or bad? Why would I need it in child?
* Could probably take that out
* Another Example http://jsbin.com/pidipad/edit?js,output
* */
"use strict";
var _createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();
var _get = function get(_x, _x2, _x3) { var _again = true; _function: while (_again) { var object = _x, property = _x2, receiver = _x3; desc = parent = getter = undefined; _again = false; if (object === null) object = Function.prototype; var desc = Object.getOwnPropertyDescriptor(object, property); if (desc === undefined) { var parent = Object.getPrototypeOf(object); if (parent === null) { return undefined; } else { _x = parent; _x2 = property; _x3 = receiver; _again = true; continue _function; } } else if ("value" in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } } };
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
var Parent = (function (_React$Component) {
_inherits(Parent, _React$Component);
function Parent(props) {
var _this = this;
_classCallCheck(this, Parent);
_get(Object.getPrototypeOf(Parent.prototype), "constructor", this).call(this, props);
this.onUpdate = function (val) {
_this.setState({
fieldVal: val
});
};
this.state = {
fieldVal: ""
};
}
_createClass(Parent, [{
key: "render",
value: function render() {
return React.createElement(
"div",
null,
React.createElement(
"h2",
null,
"Parent"
),
"Value in Parent Component State: ",
this.state.fieldVal,
React.createElement("br", null),
React.createElement(Child, { onUpdate: this.onUpdate }),
React.createElement("br", null),
React.createElement(OtherChild, { passedVal: this.state.fieldVal })
);
}
}]);
return Parent;
})(React.Component);
var Child = (function (_React$Component2) {
_inherits(Child, _React$Component2);
function Child(props) {
var _this2 = this;
_classCallCheck(this, Child);
_get(Object.getPrototypeOf(Child.prototype), "constructor", this).call(this, props);
this.update = function (e) {
console.log(e.target.value);
_this2.props.onUpdate(e.target.value);
_this2.setState({ fieldVal: e.target.value });
};
this.state = {
fieldVal: ""
};
}
_createClass(Child, [{
key: "render",
value: function render() {
return React.createElement(
"div",
null,
React.createElement(
"h4",
null,
"Child"
),
React.createElement("input", {
type: "text",
placeholder: "type here",
onChange: this.update,
value: this.state.fieldVal
})
);
}
}]);
return Child;
})(React.Component);
var OtherChild = (function (_React$Component3) {
_inherits(OtherChild, _React$Component3);
function OtherChild() {
_classCallCheck(this, OtherChild);
_get(Object.getPrototypeOf(OtherChild.prototype), "constructor", this).apply(this, arguments);
}
_createClass(OtherChild, [{
key: "render",
value: function render() {
return React.createElement(
"div",
null,
React.createElement(
"h4",
null,
"OtherChild"
),
"Value in OtherChild Props: ",
this.props.passedVal
);
}
}]);
return OtherChild;
})(React.Component);
React.render(React.createElement(Parent, null), document.getElementById('react_example'));
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