Cache Object.keys(this.vars)

diff --git a/core/js/octemplate.js b/core/js/octemplate.js
index f7ee316f3b206526325e4b0a5e15f0c51be25b4e..46ffa9765741e25b2d86f31728a74db3ac6e1784 100644 (file)
--- a/core/js/octemplate.js
+++ b/core/js/octemplate.js
@@ -60,9 +60,10 @@
                        var self = this;
 
                        if(typeof this.options.escapeFunction === 'function') {
-                               for (var key = 0; key < Object.keys(this.vars).length; key++) {
-                                       if(typeof this.vars[Object.keys(this.vars)[key]] === 'string') {
-                                               this.vars[Object.keys(this.vars)[key]] = self.options.escapeFunction(this.vars[Object.keys(this.vars)[key]]);
+                               var keys = Object.keys(this.vars);
+                               for (var key = 0; key < keys.length; key++) {
+                                       if(typeof this.vars[keys[key]] === 'string') {
+                                               this.vars[keys[key]] = self.options.escapeFunction(this.vars[keys[key]]);
                                        }
                                }
                        }