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  {  
      write   ("test");  
      write  
("dsasfda");  
  }  
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  Èç¹û²»Óõϰ¾ÍÒªÕâÑùдÁË  
 
document.write   ("test")  
  document.write   ("dsasfda");  
   
 
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      Dijit ......

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1. º¯ÊýÔÚÖ´ÐÐÍê return Ö¸Áîºó¾Í»áÍ£Ö¹Ö´ÐдúÂë.
function test(Num1,Num2){
return Num1+Num2;
alert(Num1+Num2); //never outputs

2. javascript º¯Êý²»ÄÜÖØÔØ,Ò²¾ÍÊÇ˵¿ÉÒÔÔÚͬһ¸ö×÷ÓÃÓòÖж¨Òå¶à¸öͬÃûº¯Êý,¶ø×îÖÕÖ´ÐеÄÊǺóÒ»¸öº¯Êý.
function test(num){
alert(num+10);
}
function ......

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