kinakomochi questions

• document.getElementsByTagName doesn't work. How can I get the length of NodeList of body?
• Uncaught TypeError: Object [object DOMWindow] has no method 'replace'
• Is there a way to get the value of nested dict in Immutabledict sent via request of werkzeug(flask)?
• How to change the dot point color and style in Morris.js line graph?
• How can I get value of the nested dictionary using ImmutableMultiDict on Flask?

kinakomochi answers