Products

JavaScript Rating

Pico Library

This library has less than 2 KBytes

The LemonadeJS star rating plugin is a micro JavaScript component that implements the five star rating.

Documentation

Installation

npm install @lemonadejs/rating

Attributes

Attribute Type Description
name? String The name of the component
number? Number The number of stars. Default 5.
value? Number The initial value. Default null.

Events

Attribute Description
onchange? When the value of the component changes.

Examples

Changing the self.value will trigger the view updates. If you set the self.value with the same current value, that will reset the value.

Basic example

<html>
<script src="https://cdn.jsdelivr.net/npm/lemonadejs/dist/lemonade.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/@lemonadejs/rating/dist/index.min.js"></script>
<link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet">
<div id='root'></div>
<script>
const Component = function() {
    const self = this;

    self.plus = () => {
        self.number++;
    }
    self.minus = () => {
        self.number--;
    }
    self.reset = () => {
        self.value = 1;
    }
    self.change = (newValue) => {
        console.log('New value', newValue);
    }

    self.number = 5;
    self.value = 3;

    return `<>
        <p><Rating :value="self.value" :number="self.number" onchange="self.change" /></p>
        <input type="button" value="Value=1" onclick="self.reset" />
        <input type="button" value="Add star" onclick="self.plus" />
        <input type="button" value="Remove star" onclick="self.minus" />
    </>`;
}
// Render component
lemonade.render(Component, document.getElementById('root'));
</script>
</html>
// For installation: % npm install @lemonadejs/rating
// Add to your HTML: <link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet">
import lemonade from "lemonadejs";
import Rating from "@lemonadejs/rating";

export default function Component() {
    const self = this;

    self.plus = () => {
        self.number++;
    }
    self.minus = () => {
        self.number--;
    }
    self.reset = () => {
        self.value = 1;
    }
    self.change = (newValue) => {
        console.log('New value', newValue);
    }

    self.number = 5;
    self.value = 3;

    return `<div>
        <p><Rating :value="self.value" :number="self.number" onchange="self.change" /></p>
        <input type="button" value="Value=1" onclick="self.reset" />
        <input type="button" value="Add star" onclick="self.plus" />
        <input type="button" value="Remove star" onclick="self.minus" />
    </div>`;
}
// Add to your HTML: <link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet">
import React, { useRef } from "react";
import Rating from "@lemonadejs/rating/dist/react";

export default function Component() {
    const component = useRef();

    const reset = function () {
        component.current.value = 1;
    };

    const plus = function () {
        component.current.number++;
    };

    const minus = function () {
        component.current.number--;
    };

    const handleChange = function (v) {
        console.log('New value: ', v);
    }
    
    return (<div>
        <Rating value={3} number={5} onchange={handleChange} ref={component} />
        <button onClick={reset}>Value=1</button>
        <button onClick={plus}>Add Star</button>
        <button onClick={minus}>Remove Star</button>
    </div>)
}
<!-- Add to your HTML: <link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet"> -->
<template>
    <Rating :value="3" :number="5" :onchange="handleChange" ref="component" />
    <button @click="reset">Value=1</button>
    <button @click="plus">Add Star</button>
    <button @click="minus">Remove Star</button>
</template>

<script>
import Rating from '@lemonadejs/rating/dist/vue';

export default {
name: 'App',
components: {
    Rating,
},
methods: {
    reset: function () {
        this.$refs.component.current.value = 1;
    },
    plus: function () {
        this.$refs.component.current.number++;
    },
    minus: function () {
        this.$refs.component.current.number--;
    },
    handleChange: function (v) {
        console.log('New value: ', v)
    }
}
};
</script>

Related content