lovecoding
/
VIP32


			
				
					
						
						
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    <title>Document</title>
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    <script>
      /**
       * 扩展运算符(...) spread
       */
      var a = [1, 2, 3, 4, 5, 6, 7];
      var b = [...a];
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      var a1 = [3, 4, 5];
      var b1 = [0, 9, 8];
      // var c1 = a1.concat(b1);
      var c1 = [...a1, ...b1];
      console.log(c1);
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