/*
JavaScript Bible, Fourth Edition
by Danny Goodman
John Wiley & Sons CopyRight 2001
*/
Breaking Out of Nested Labeled Loops
var targetA = 2
var targetB = 2
var range = 5
function run1() {
var out = document.forms[0].output
out.value = "Running WITHOUT labeled break\n"
for (var i = 0; i <= range; i++) {
out.value += "Outer loop #" + i + "\n"
for (var j = 0; j <= range; j++) {
out.value += " Inner loop #" + j + "\n"
if (i == targetA && j == targetB) {
out.value += "**BREAKING OUT OF INNER LOOP**\n"
break
}
}
}
out.value += "After looping, i = " + i + ", j = " + j + "\n"
}
function run2() {
var out = document.forms[0].output
out.value = "Running WITH labeled break\n"
outerLoop:
for (var i = 0; i <= range; i++) {
out.value += "Outer loop #" + i + "\n"
innerLoop:
for (var j = 0; j <= range; j++) {
out.value += " Inner loop #" + j + "\n"
if (i == targetA && j == targetB) {
out.value += "**BREAKING OUT OF OUTER LOOP**\n"
break outerLoop
}
}
}
out.value += "After looping, i = " + i + ", j = " + j + "\n"
}
Breaking Out of Nested Labeled Loops
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