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Introduction to the use of common functions in JavaScript _javascript tips

Source: Internet
Author: User
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The use </title> of common functions in <title>javascript

<script>
Function Show () {
document.write ("show function called" + "<br/>");
return 10;
}

var hello = show ();//show () function is called to assign the return value to the hello variable. Returns undefined if the function does not return a value
document.write (hello + "<br/>");//10

var Hello2 = show;//show and Hello2 point to the same function
document.write (Hello2 + "<br/>");/print out the function body of show

Hello2 ()//is equivalent to calling the show () function

</script>

<body>

</body>

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