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    <p>This is currently possible in environments with Proxies. That would be node > 0.6 run as <code>node --harmony_proxies</code> or >0.7 with <code>node --harmony</code>. Chromium Canary (not sure if it's out of that yet) in about:flags at the bottom, experimental javascript. Firefox has had it for a while with no flags.</p> <p>So this probably won't work when ES6 becomes more official, but it works to an extent now.</p> <pre><code> var target = (function(){ var handler = Proxy.create(Proxy.create({ get: function(r, trap){ return function(name,val,c,d){ if (trap === 'get' || trap === 'set') { name = val; val = c; } console.log('"'+trap + '" invoked on property "'+name+'" ' + (val?' with value "'+val+'"':'')); switch (trap) { case 'get': return target[name]; case 'set': return target[name] = val; case 'has': return name in target; case 'delete': return delete target; case 'keys': return Object.keys(target); case 'hasOwn': return Object.hasOwnProperty.call(target, name); case 'getPropertyDescriptor': case 'getOwnPropertyDescriptor': return Object.getOwnPropertyDescriptor(target, name); case 'getPropertyNames': case 'getOwnPropertyNames': return Object.getOwnPropertyNames(target); case 'defineProperty': return Object.defineProperty(target, name, val); } } } })) var target = { x: 'stuff', f: { works: 'sure did' }, z: ['overwritten?'] }; with (handler){ var z = 'yes/no'; if (x) { //x } else { x = true; } console.log(f.works); if (f.works) { f.works = true; delete f; } } return target })() // "getPropertyDescriptor" invoked on property "z" // "getPropertyDescriptor" invoked on property "z" // "getPropertyDescriptor" invoked on property "x" // "get" invoked on property "x" // "getPropertyDescriptor" invoked on property "console" // "getPropertyDescriptor" invoked on property "f" // "get" invoked on property "f" // sure did // "getPropertyDescriptor" invoked on property "f" // "get" invoked on property "f" // "getPropertyDescriptor" invoked on property "f" // "get" invoked on property "f" // "getPropertyDescriptor" invoked on property "f" target: { x: 'Stuff', f: { works: true }, z: ['overwritten?'] } </code></pre> <p>Hit or miss and you need to take care not to blow up your browser by simply looking at a Proxy in the debugger. I had to wrap that thing in a closure to keep the proxy from ending up in the global scope or it crashed the frame every single time. Point is that it works to some extent, where nothing else does.</p>
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Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

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