Checks if an element is contentEditable

is_content_editable.js

/**
 * Checks if an element is editable.
 * Does this by checking parent 
 * elements as well.
 *
 * @param  {Node}  targetNode
 * @return {Boolean}           
 */
function isContentEditable(targetNode){
  while(targetNode.parentElement){
    if(targetNode.contentEditable === 'false'){
      return false;
    }else if(targetNode.contentEditable === 'true'){
      return true;
    }else{
      targetNode = targetNode.parentElement;  
    }
  }
  return false;
}