const text =
'Chapter 1. Down the Rabbit-Hole ' +
'Alice was beginning to get very tired of sitting by her sister on the bank, and of having nothing to do: ' +
'once or twice she had peeped into the book her sister was reading, but it had no pictures or conversations ' +
'in it, \'and what is the use of a book,\' thought Alice \'without pictures or conversation?\'' +
'So she was considering in her own mind (as well as she could, for the hot day made her feel very sleepy ' +
'and stupid), whether the pleasure of making a daisy-chain would be worth the trouble of getting up and picking ' +
'the daisies, when suddenly a White Rabbit with pink eyes ran close by her.',
lines = text.replace(/[():'?0-9]+/g, '').split(/[,\. ]+/g),
data = lines.reduce((arr, word) => {
let obj = Highcharts.find(arr, obj => obj.name === word);
if (obj) {
obj.weight += 1;
} else {
obj = {
name: word,
weight: 1
};
arr.push(obj);
}
return arr;
}, []);
Highcharts.chart('container', {
accessibility: {
screenReaderSection: {
beforeChartFormat: '<h5>{chartTitle}</h5>' +
'<div>{chartSubtitle}</div>' +
'<div>{chartLongdesc}</div>' +
'<div>{viewTableButton}</div>'
}
},
series: [{
type: 'wordcloud',
data,
name: 'Occurrences'
}],
title: {
text: 'Wordcloud of Alice\'s Adventures in Wonderland',
align: 'left'
},
subtitle: {
text: 'An excerpt from chapter 1: Down the Rabbit-Hole',
align: 'left'
},
tooltip: {
headerFormat: '<span style="font-size: 16px"><b>{point.key}</b></span><br>'
}
});