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8.javascript gets the two numbers in the form and determines the size

Source: Internet
Author: User
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How to get form data:

1. Note The ID of the form

2. Use document.getElementById ("num"). value to get values

3. It is important to note that you now get a string type that can be used with alert (typeof (NUM)) to get the data type

4. Use the parseint function to convert a string type to an int type, and then determine

5.!!!!!!!!!!!!! Note to write. Value, I forgot again, find the bug again ...

<!DOCTYPE HTML><HTML><Head>    <MetaCharSet= "UTF-8">    <title>Js</title>    <Scripttype= "Text/javascript">    functionGetmax () {//get the values in the form        varNUM1=parseint (document.getElementById ("NUM1"). Value); varnum2=parseint (document.getElementById ("num2"). Value); //Output        //document.write ((Num1 > Num2) num1:num2);alert ((NUM1>num2)?num1:num2); }    </Script></Head><Body>Number one:<inputtype= "text"ID= "NUM1" />Number two:<inputtype= "text"ID= "Num2" />    <inputtype= "Submit"onclick= "Getmax ()" /></Body></HTML>

8.javascript gets the two numbers in the form and determines the size

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