# ep-util 基础使用

* order: 0

基本方法

---

```js
/** @jsx createElement */
import { createElement, Component, render } from 'rax';
import Text from 'nuke-text';
import Page from 'nuke-page';
import { Detection } from 'nuke-ep-utils';

let App = class NukeDemoIndex extends Component {
  constructor() {
    super();
  }

  renderParamInfo = () => {
    return Object.keys(Detection).map(key => {
      if (typeof Detection[key] === 'function') return;
      const str = ` - [${key}] ${Detection[key]}`;
      return <Text style={styles.resultText}>{str}</Text>;
    });
  };

  render() {
    const param = { verison: '8.0.0', isCheckOS: true };

    return (
      <Page title="ep-utils">
        <Page.Intro main="Detection" sub="Detection基础信息" />
        {this.renderParamInfo()}
        <Page.Intro main="Detection" sub="比较版本" />
        <Text style={styles.resultText}>
          当前osVersion:{Detection.osVersion}>{param.version} {Detection.gt(param.version, param.isCheckOS)}
        </Text>
      </Page>
    );
  }
};
const styles = {
  resultText: {
    fontSize: '28rem',
    lines: 5,
    wordBreak: 'break-all',
  },
};
render(<App />);
```