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JavaScript Preliminary + basic functions

Source: Internet
Author: User
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Basic JavaScript notation

<script type= "Text/javascript" >
Function Rec () {//functions definition
var mymessage=confirm ("You are a Girl");
if (mymessage==true)
{
document.write ("You are a lady!");
}
Else
{
document.write ("You are a man!");
}
}
</script>

A method used by a function

<body>
<input name= "button" type= "button" onclick= "Rec ()" value= "Click Me, Pop Up confirmation Dialog"/>
</body>

① page Output function

document.write (mystr+mychar+ "loyal fan!");

② Warning message dialog box

Alert ("warning message content")

③ Confirmation message dialog box

Confirm ("Confirmation prompt content"); Returns a Boolean type value

④ Question dialog box

Score = prompt ("Please enter your score", "This is the text in the textbox, can be modified");

Returns the contents of a text box

JavaScript Preliminary + basic functions

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