问CoffeeScript代码- Web的完整代码

EN

var lang = require("ace/lib/lang")
var languageTools = require("ace/ext/language_tools")
editor = ace.edit("editor")
editor.setOptions({
  enableBasicAutocompletion: true,
  enableLiveAutocompletion: true, // this does not work very well atm
  mode: "ace/mode/coffee"
})
var evalCompleter = {
  getCompletions: function(editor, session, pos, prefix, callback) {          
    var completions = [];
    var props = Object.keys(window);
    props.forEach(function(key){      
      completions.push({
        value: key,        
        meta: 'window',
        type: 'eval',
        score: 1000
      });
    })
    callback(null, completions)
  },
  getDocTooltip: function(item) {
    if (item.type == 'eval' && !item.docHTML) {
      var o = window[item.value]
      var type = typeof o
      item.docHTML = "<b>" + type  + "</b><br>"  
         + lang.escapeHTML(o + "");
    }
  }
}
editor.completers = [evalCompleter, languageTools.keyWordCompleter,
  languageTools.snippetCompleter, languageTools.textCompleter
];