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JavaScript Tutorial/Statement/Break - История изменений
2026-04-04T21:28:52Z
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Admin: 1 версия
2010-05-26T08:25:00Z
<p>1 версия</p>
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Admin
http://wbex.ru/index.php?title=JavaScript_Tutorial/Statement/Break&diff=9378&oldid=prev
в 18:52, 25 мая 2010
2010-05-25T18:52:56Z
<p></p>
<p><b>Новая страница</b></p><div>== Break a while statement==<br />
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<head><br />
<title>A Simple Page</title><br />
<script language="JavaScript"><br />
<!--<br />
var x = 0;<br />
while (x < 10)<br />
{<br />
x++;<br />
document.write(x);<br />
break;<br />
document.write("Never seen!");<br />
}<br />
// --><br />
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== Break statement in a if statement==<br />
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<!-- start source code --><br />
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<source lang="javascript"><br />
<html><br />
<head><br />
<title>A Simple Page</title><br />
<script language="JavaScript"><br />
<!--<br />
var x = 0, breakat;<br />
breakat = prompt("Pick a number between 1 and 10 to break at", "");<br />
while (x < 10) {<br />
if (x == breakat)<br />
break;<br />
}<br />
document.write(x);<br />
x++;<br />
}<br />
// --><br />
</script><br />
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== break statement syntax==<br />
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<p>The keyword break exits out of loop structures and switch statement.</p><br />
<p>When a label is used, JavaScript completely breaks out of the area designated by label.</p><br />
<p>To label a statement, place the label name followed by a colon (:).</p><br />
<p>Labels are useful when working with nested loops.</p><br />
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<source lang="javascript"><br />
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<SCRIPT LANGUAGE="JavaScript"><br />
<!--<br />
forLoop1:<br />
for (var counter1 = 1; counter1 <= 5; counter1++)<br />
{<br />
for (var counter2 = 1; counter2 <= 5; counter2++)<br />
{<br />
document.write("Counter1=",counter1);<br />
document.write(" Counter2=",counter2,"<BR>");<br />
if (counter2 == 3)<br />
break;<br />
if (counter1 == 3)<br />
break forLoop1;<br />
}<br />
}<br />
document.write("All done!");<br />
//--><br />
</SCRIPT><br />
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