multi.language.input/multi.language.input.html

```javascript window.Math.randomRange(min, max); window.Number.prototype.toRad(); window.Math.calculateDistance(lat1, lon1, lat2, lon2); ```

<template>
    <input type="text"/>
    <textarea></textarea>
    <select>
        <option value="en">English</option>
        <option value="zh-Hans">简体中文</option>
    </select>
</template>
<script type="text/javascript" src="multi.language.input.js"></script>
<link rel="stylesheet" type="text/css" href="multi.language.input.css"/>