i tried this function in javascript :
var words = $('textarea#id_keywords').val();
$('#rangeVal').change(function(){
  console.log(this.value);
  console.log(words);
  $('input#id_wordcloud3_keywords').val('toto');
  $('input#id_wordcloud3_keywords').trigger('change');
});
with var words contains :
 {'type': 'new', 'entity': [], 'w': [{'text': 'balabala', 'relevance': 1, 'index': 0.0010035}, {'text': 'numéro', 'relevance': 1, 'index': 0.14269}, {'text': 'majeur', 'relevance': 1, 'index': 0.0886}]}
so i tried to sort the array according to index :
var words = $('textarea#id_keywords').val();
$('#rangeVal').change(function(){
  console.log(this.value);
  //console.log(words);
  var tableauObjets = words['w'];
  var result = tableauObjets.filter(x => x['index'] <= this.value);
  console.log(result);
  
});
but i have an error:
 uncaught TypeError: Cannot read property 'filter' of undefined at HTMLInputElement.<anonymous>
