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console 命令行工具 X clear 

                    

                        
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console

            
let obj = {val: 999}
let proxy = new Proxy(obj, {
  get(tgt, key, receiver){
  console.log('�� ~ tgt, key, receiver', tgt, key, receiver)
  return tgt[key]
  }
})
console.log('�� ~ obj.val', proxy.val)

            
<script src="https://cdn.jsdelivr.net/npm/three@0.123.0/build/three.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/three@0.122.0/examples/js/controls/OrbitControls.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/three@0.122.0/examples/js/lines/LineSegmentsGeometry.js"></script>
<script src="https://cdn.jsdelivr.net/npm/three@0.122.0/examples/js/lines/LineGeometry.js"></script>
<script src="https://cdn.jsdelivr.net/npm/three@0.122.0/examples/js/lines/LineSegments2.js"></script>
<script src="https://cdn.jsdelivr.net/npm/three@0.122.0/examples/js/lines/Line2.js"></script>


            

                
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