Lines Matching refs:is_undefined

2678                         || !is_undefined(value) && arg_may_throw(reject, node.name, value);
2786                     if (value) arg = is_undefined(arg) ? value : null;
3560                     if (is_undefined(tail)) {
3663 …                 || value instanceof AST_Conditional && (is_undefined(value.consequent, compressor)
3664                             || is_undefined(value.alternative, compressor)))) {
3745                     if (value && !is_undefined(value.tail_node())) return false;
4431     function is_undefined(node, compressor) {  function
4433             || node.is_undefined
4600             if (this.is_undefined) return true;
4661             if (this.is_undefined) return false;
9486         if (is_undefined(node)) return undefined;
10676                 if (!is_undefined(arg)) has_default = 2;
11328             while (end > 0 && is_undefined(expressions[end], compressor)) end--;
11692             if (is_undefined(self.left, compressor) && self.right.is_defined(compressor)) {
11710             if (!is_strict_comparison && is_undefined(self.left, compressor)) {
11744             if (is_undefined(left.left, compressor) && self.right.left instanceof AST_Null
11745                 || left.left instanceof AST_Null && is_undefined(self.right.left, compressor)) {