в 09:59, 26 мая 2010

2010-05-26T09:59:54Z

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2010-05-26T07:24:30Z

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== Pushing, Popping, and Displaying the Contents of a Stack==



<source lang="html4strict">
<HTML>
<HEAD>
<TITLE>Stacking up!</TITLE>
<SCRIPT>
var stack = new Array();
function pushStack(newVal) {
stack.push(newVal);
}
function popStack() {
var popVal = stack.pop();
if (popVal == undefined)
return "Empty stack!";
else
return popVal;
}
function showStack(theSelect){
theSelect.options.length = 0;
for (var i = 0; i < stack.length; i++){
var theOption = new Option(stack[i]);
theSelect.options[theSelect.options.length] = theOption;
}
}
</SCRIPT>
</HEAD>
<BODY>
<FORM>
<INPUT type=text name=txtPush>
<INPUT type=button value="Push" onClick="pushStack(txtPush.value); txtPush.value=""; showStack(theList);">
<SELECT name="theList" size=12>
<OPTION>Displays the current state of the stack!
</SELECT>
<INPUT type=text name=txtPop size=25>
<INPUT type=button value="Pop" onClick="txtPop.value = popStack();
showStack(theList);">
</FORM>
</BODY>
</HTML>

</source>

==Simple Stack Example==



<source lang="html4strict">
<HTML>
<HEAD>
<TITLE>
Simple Stack Example
</TITLE>
</HEAD>
<BODY>
<H1>
<SCRIPT>
var stack = new Array();
stack.push("Me", "Two");
for (var i = 0; i < stack.length; i++){
document.write(stack[i] + "<br>");
}
document.write (stack.pop() + "<br>");
for (var i = 0; i < stack.length; i++){
document.write(stack[i] + "<br>");
}
</SCRIPT>
</H1>
</BODY>
</HTML>

</source>

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