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JavaScript Tutorial/Function/Function Parameters - История изменений
2026-04-04T11:32:58Z
История изменений этой страницы в вики
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http://wbex.ru/index.php?title=JavaScript_Tutorial/Function/Function_Parameters&diff=9077&oldid=prev
Admin: 1 версия
2010-05-26T08:24:46Z
<p>1 версия</p>
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<td colspan="1" style="background-color: white; color:black; text-align: center;">Версия 08:24, 26 мая 2010</td>
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Admin
http://wbex.ru/index.php?title=JavaScript_Tutorial/Function/Function_Parameters&diff=9076&oldid=prev
в 18:52, 25 мая 2010
2010-05-25T18:52:56Z
<p></p>
<p><b>Новая страница</b></p><div>== Pass an array to a function==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="javascript"><br />
<HTML><br />
<HEAD><br />
<TITLE><br />
Iteration Two<br />
</TITLE><br />
<SCRIPT><br />
function makeArray() {<br />
var myArray = new Array(4);<br />
myArray[0] = "A";<br />
myArray[1] = "B";<br />
myArray[2] = "C";<br />
myArray[3] = "D";<br />
return myArray;<br />
}<br />
function showArray(theArray){<br />
var quote = "";<br />
for (var i = 0; i < theArray.length; i++){<br />
quote += theArray[i] + " ";<br />
}<br />
return quote; <br />
}<br />
</SCRIPT><br />
</HEAD><br />
<BODY><br />
<H1><br />
<SCRIPT><br />
var x = makeArray();<br />
document.write(showArray(x));<br />
</SCRIPT><br />
</H1><br />
</BODY><br />
</HTML></source><br />
<br />
<br />
<br />
== Pass Form value to a function==<br />
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<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="javascript"><br />
<HTML><br />
<HEAD><br />
<TITLE><br />
Add three numbers<br />
</TITLE><br />
<SCRIPT><br />
function addThreeNums (inOne, inTwo, inThree) {<br />
var inOne = Number(inOne);<br />
var inTwo = Number(inTwo);<br />
var inThree = Number(inThree);<br />
return Number(inOne + inTwo + inThree);<br />
}<br />
</SCRIPT><br />
</HEAD><br />
<BODY><br />
<FORM Name="theForm"><br />
<INPUT Type=Text Name="num1"><br />
<INPUT Type=Text Name="num2"><br />
<INPUT Type=Text Name="num3"><br />
<INPUT Type=Button Value="Add Them" <br />
onClick="document.write("sum:" +addThreeNums(theForm.num1.value,theForm.num2.value,theForm.num3.value));"><br />
</FORM><br />
</BODY><br />
</HTML></source><br />
<br />
<br />
<br />
== Pass integer to function==<br />
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<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="javascript"><br />
<html><br />
<head><br />
<script language="JavaScript" type = "text/javascript"><br />
<!--<br />
function DisplayMsg(NumVal) {<br />
if (NumVal == 1) {<br />
status = "Type your name in the field" ;<br />
}<br />
if (NumVal == 2) {<br />
status = "Type your phone number in the field"<br />
}<br />
}<br />
//--><br />
</script><br />
<title>Keyboard Event</title><br />
</head><br />
<body><br />
<form name="form1"><br />
<b>Name:</b>&nbsp; <input type = "text" name = "text1" onFocus="DisplayMsg(1)" size="20"><P><br />
<b>Phone:</b> &nbsp;<input type = "text" name = "text2" onFocus="DisplayMsg(2)" size="20"></p><br />
</form><br />
</body><br />
</html></source><br />
<br />
<br />
<br />
== Pass number to a function==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="javascript"><br />
<html><br />
<head><br />
<title>A Simple Page</title><br />
<script language="JavaScript"><br />
<!--<br />
function calcAvg()<br />
{<br />
var inpNum1 = 1;<br />
var inpNum2 = 2;<br />
var inpNum3 = 3;<br />
var inpNum4 = 4;<br />
numAvg = doCalcAvg(inpNum1, inpNum2, inpNum3, inpNum4);<br />
document.write("The average of the four numbers you entered is: " + numAvg);<br />
}<br />
function doCalcAvg(inpNum1, inpNum2, inpNum3, inpNum4)<br />
{<br />
var ans;<br />
ans = (Number(inpNum1) + Number(inpNum2) + Number(inpNum3) + Number(inpNum4)) / 4;<br />
return (ans);<br />
}<br />
// --><br />
</script><br />
</head><br />
<body onLoad="calcAvg();"><br />
</body><br />
</html></source><br />
<br />
<br />
<br />
== Pass value to a function==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="javascript"><br />
<html><br />
<head><br />
<title>A Simple Page</title><br />
<script language="JavaScript"><br />
<!--<br />
function yourMessage(quote)<br />
{<br />
alert(quote);<br />
}<br />
// --><br />
</script><br />
</head><br />
<body><br />
<P>Click <input type="button" value="AAA" onClick="yourMessage("AAA")"> for a message!</p><br />
<br><br />
<P>Click <input type="button" value="BBB" onClick="yourMessage("BBB")"> for another message!</p><br />
</body><br />
</html></source><br />
<br />
<br />
<br />
== Use functionName.arguments to reference the arguments==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="javascript"><br />
<HTML><br />
<HEAD><br />
<TITLE><br />
Add all of the numbers<br />
</TITLE><br />
<SCRIPT><br />
function addNums () {<br />
var theAnswer = 0;<br />
for (var i = 0; i < addNums.arguments.length; i++) {<br />
var theNum = Number(addNums.arguments[i]);<br />
theAnswer += theNum;<br />
}<br />
return theAnswer;<br />
} <br />
</SCRIPT><br />
</HEAD><br />
<BODY><br />
<FORM Name="theForm"><br />
<INPUT Type=Text Name="num1"><br />
<INPUT Type=Text Name="num2"><br />
<INPUT Type=Text Name="num3"><br />
<INPUT Type=Text Name="num4"><br />
<INPUT Type=Button <br />
Value="Add Them" <br />
onClick="document.write(addNums(theForm.num1.value,theForm.num2.value,theForm.num3.value,theForm.num4.value));"><br />
</FORM><br />
</BODY><br />
</HTML></source></div>