var ace = require('brace'); require('brace/mode/json'); require('brace/theme/solarized_light'); var editor = ace.edit('json-editor'); editor.getSession().setMode('ace/mode/json'); editor.setTheme('ace/theme/solarized_light'); editor.setValue([ '{' , ' "language": "JSON",' , ' "foo": "bar",' , ' "trailing": "comma",' , '}' ].join('\n') ); editor.clearSelection();