word/multichoice.js

   1 class WordMultiChoice extends WordQuiz {
   2         next() {
   3                 if (this.words.length < 4) return;
   4                 let word = this.words.shift();
   5                 let form = put(this.form,
   6                         '+img[src=$]+ul', `/data/word/32/${word[2]}.jpg`,
   7                 );
   8
   9                 let answers = [word[0], this.words[0][0], this.words[1][0], this.words[2][0]]
  10                         .shuffle()
  11                 this.log('ask', word[2], answers);
  12                 answers.forEach(suggest => {
  13                         let label = suggest.replace(/\/.*/, '');
  14                         let option = put(form, 'li', label, {onclick: () => {
  15                                 this.log('pick', suggest, null, word[0]);
  16                                 if (suggest != word[0]) {
  17                                         // incorrect
  18                                         put(option, '.wrong');
  19                                         return;
  20                                 }
  21                                 put(option, '.good');
  22                                 window.setTimeout(() => this.next(), 500);
  23                         }});
  24                 });
  25         }
  26
  27         setup() {
  28                 super.setup();
  29                 this.next();
  30         }
  31 };