Use charAt rather than string index

Older versions of IE do not support [] access to string contents so charAt must be used. Fixes #677
2013-12-23 02:18:57 -06:00
parent 7f0ded4926
commit 3daef9d308
2 changed files with 4 additions and 3 deletions
@@ -19,7 +19,8 @@ var AST = {
    this.hash = hash;
    this.strip = strip;

-    var escapeFlag = open[3] || open[2];
+    // Must use charAt to support IE pre-10
+    var escapeFlag = open.charAt(3) || open.charAt(2);
    this.escaped = escapeFlag !== '{' && escapeFlag !== '&';

    var id = this.id = rawParams[0];