Introduction to the use of common functions in javascript

  • 2020-03-30 01:00:52
  • OfStack

<title>javascript The use of ordinary functions in </title> 

function show(){ 
document.write("show The function is called " + "<br/>"); 
return 10; 

var hello = show();//The show() function is called, assigning the return value to the hello variable. If the function does not return a value, it returns undefined
document.write(hello + "<br/>");//10 

var hello2 = show;//Show and hello2 point to the same function
document.write(hello2 + "<br/>");//Print out the body of the show function

hello2();//This is equivalent to calling the show () function




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