word/multichoice.js

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