The first javascript program in php development

: This article mainly introduces the first javascript program developed by php. if you are interested in the PHP Tutorial, please refer to it. I will not talk about the basic concepts here. I typed out my first javasript program, that is, my hello world, according to the code in the book. It is a great encouragement to you. Below I will post the code to help you learn it.
Index. php

Test.html

  
   
    functioncubeme(incomingNum){if(incomingNum ==1){        return"what are you doing ?";    }else{        returnMath.pow(incomingNum,3);    }}
    JavaScript Test
    
     var theNum =2;var finalNum =cubeme(theNum);if(isNaN(finalNum)){    alert("You should know that 1 to any power is 1.");}else{    alert("when cubed ," + theNum + "is" + finalNum);}
    
   
  

The running result is as follows: