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break - statement of language JavaScript

Description:
Exits a switch statement and a loop statement (for, while, do...while).
Syntax:

break

Note:
For switch statement:

It is located inside the statement. The break statement jumps out of the switch command (the code execution moves behind the switch statement).

For loop statement (for, while, do...while):

It is located inside the cycle. The break statement terminates the cycle (the code execution is moved to behind the cycle).

 
For similar purpose in the VBScript language is used the statement Exit.
See also:
- for
- switch
- continue
Exit switch statement:
JavaScriptSelect and copy to clipboard

var nNum = 17;
switch (nNum)
{
case 15:
  Pm.Debug("case=15");
  break;
case 17:
  Pm.Debug("case=17");
  break;
default:
  Pm.Debug("switch default=" + nNum);
  break;
}
Exit for statement:
JavaScriptSelect and copy to clipboard

var i;
for (i = 0; i <= 5; i++)
{
  if (i == 3)
    break;
  Pm.Debug("i=" + i);
}
Exit while statement:
JavaScriptSelect and copy to clipboard

var i = 0;
while (i <= 5)
{
  if (i == 3)
    break;
  Pm.Debug("i=" + i);
  i++;
}
Exit do...while statement:
JavaScriptSelect and copy to clipboard

var i = 0;
do
{
  if (i == 3)
    break;
  Pm.Debug("i=" + i);
  i++;
} while (i <= 5)
PROMOTIC 9.0.0 SCADA system documentation - MICROSYS, spol. s r.o.

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