extends react component

Combining input streams then using scan -to-track the results are a common scenario when coding with streams. This lesson walks you through setting up the buttons and merging their input events together to build a streaming Counter Component.Const Counterstream = Componentfromstream ( = = = Createeventhandler (); = Createeventhandler (); return props$ switchmap ( = observable.merge ( oninc$.mapto (1), ondec$ . Mapto (-1) ) . Startwith (propos.valu

1. Parent component // Parent component onref = (REF) => {This. child = ref;} handlesearch (Params) {// obtain the value of the search box console. log (Params) ;} 2. Child Components // Sub-component componentdidmount () {This. props. onref (this);} onsubmit = () => {// obtain the form value this. props. form. validatefieldsandscroll (ERR, values) =>{ if (! E

This site article is Li Himi original, reproduced must be clearly noted: Reprinted from "Black Rice gamedev Block" original link: http://www.himigame.com/react-native/2242.html The development of the game should be very clear, "brush screen" is how important. In fact, the development of the application is also the case, when the data of the component is modified, how to update the

vargrandson =React.createclass ({handleselect:function ( event) {var s = event.target.value + "person"; this . Props.handleselect (s); }, render:function () {return ( "1px solid Red", margin:"10px"}}>{ This. Props.name}:Selectonchange={This.handleselect}> "male"> Men "female"> Women Select> ) }});varChild =React.createclass ({handleval:function (Event) { varv =Event. Target.value +"@china"; This . Props.handleval (v); }, Render:function () {return ( "1px

One. var Fancycheckbox = React.createclass ({render:function () {var fancyclass = this.props.checked?' fancychecked ': ' fancyunchecked '; Return ( Two. var Fancycheckbox = React.createclass ({render:function () {var {checked, ... other} = This.props;var Fancyclass = checked?' fancychecked ': ' fancyunchecked '; ' Other ' contains {OnClick:console.log} and not the Checked property return ( React Component