>.</span><span class="function"><a href="/api/checkpoints/interfaces/checkpoints/checkpoints/methods/setter/setcheckpoint/">setCheckpoint</a></span><span class="punctuation">(</span><span class="string">'1'</span><span class="punctuation">,</span> <span class="string">'sold'</span><span class="punctuation">)</span><span class="punctuation">;</span>
console<span class="punctuation">.</span><span class="function">log</span><span class="punctuation">(</span>app<span class="punctuation">.</span>innerHTML<span c