xcode - How To apply css properties in react native by using refs dynamically -

here instance need login div , hide using refs how achieve ?

var text=react.createclass({ componentdidmount:function(){   console.log(this.refs.login.getdomnode());  },   render:function(){ return (<view ref="login">           <text>abc</text>           <text>123</text>         </view>) } })` 

you this:

render: function() {     if(this.props.show) {         return (<view ref="login">               <text>abc</text>               <text>123</text>             </view>)     } else {         return null;     } }