Calculator consists of three components, one (Operation) of which is reusable component. Following are these components:
Following are some of the key points to be noted:
var SomeClassName = React.createClass({
render: function() {
return (
{this.props.someAttribute}
);
}
});
This component could be represented in HTML syntax using following:
var InputField = React.createClass({
handleChange: function() {
this.props.onNumberChange({value: this.refs.inputno.getDOMNode().value})
},
handleOnFocus: function() {
this.refs.inputno.getDOMNode().value = '';
},
render: function() {
return(
);
}
});
In above code sample, onNumberChange is a custom event handler method of InputField component. This method is passed value such as “this.refs.inputno.getDOMNode().value” as shown in the code sample. This value is passed to the parent method, handleNumberChange owing to the way the component is defined. Take a look at the code below.
Hello React
ReactJS Calculator - Code Example
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