word/multichoice.js

   1 class WordMultiChoice extends WordQuiz {
   2         next() {
   3                 let word = this.words.shift();
   4                 if (!word[2]) return this.next();
   5                 let form = put(this.form,
   6                         '+img[src=$]+ul', `/data/word/en/${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                 answers.forEach(suggest => {
  12                         let label = suggest.replace(/\/.*/, '');
  13                         let option = put(form, 'li', label, {onclick: () => {
  14                                 if (suggest != word[0]) {
  15                                         // incorrect
  16                                         put(option, '.wrong');
  17                                         return;
  18                                 }
  19                                 put(option, '.good');
  20                                 window.setTimeout(() => this.next(), 500);
  21                         }});
  22                 });
  23         }
  24
  25         setup() {
  26                 this.form = document.getElementById('quiz');
  27                 this.next();
  28         }
  29 };