tidying js
diff --git a/static/tour.js b/static/tour.js
index 47320e8..eed9bd9 100644
--- a/static/tour.js
+++ b/static/tour.js
@@ -275,24 +275,27 @@
req.open("POST", "/compile", true);
req.setRequestHeader("Content-Type", "text/plain; charset=utf-8");
req.send(prog);
- if (output) {
- var seq = compileSeq;
- if (errors)
- errors.innerHTML = "";
- output.innerHTML = "";
- setTimeout(function() {
- if (seq == compileSeq) {
- $(output).html("<p>Running...</p>");
- $("<button/>").text("KILL").click(function() {
- $.ajax("/kill", {
- success: function() {
- $(output).empty();
- }
- });
- }).appendTo(output);
- }
- }, 1000);
+ if (!output) {
+ return;
}
+ if (errors)
+ errors.innerHTML = "";
+ output.innerHTML = "";
+
+ var seq = compileSeq;
+ setTimeout(function() {
+ if (seq != compileSeq) {
+ return;
+ }
+ $(output).html("<p>Running...</p>");
+ $("<button/>").text("KILL").click(function() {
+ $.ajax("/kill", {
+ success: function() {
+ $(output).empty();
+ }
+ });
+ }).appendTo(output);
+ }, 1000);
}
function compileUpdate(req, seq) {
