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- var $messageOutput = options.messageOutputElement ? $(options.messageOutputElement) : null;
- function outputMessage(msg)
- {
- if ($messageOutput !== null)
- {
- messageNum++;
- var $messageOutput = $(options.messageOutputElement);
- var html = $messageOutput.html();
- html += '<b>' + messageNum + '</b><br/>' + msg + '<br/>';
- $messageOutput.html(html);
- $messageOutput.scrollTop($messageOutput[0].scrollHeight);
- }
- }
- var x = 5;
- function f () {
- console.log(x):
- if (!x) {
- var x = 22;
- }
- return x;
- }
- function g () {
- console.log(x):
- if (!x) {
- x = 22;
- }
- return x;
- }
- f(); // prints nothing, and returns 22
- g(); // prints 5, and returns the same value
- function f () {
- console.log(f_sub);
- function f_sub () {
- return "subfunction of f";
- }
- return f_sub;
- }
- function g() {
- console.log(g_sub);
- var g_sub = function () {
- return "subfunction of g";
- }
- return g_sub;
- }
- f(); // prints and returns f_sub
- g(); // prints undefined and returns g_sub
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