lib/rules/no-mixed-operators.js
function check(node) {
            if (TARGET_NODE_TYPE.test(node.parent.type) &&
                isMixedWithParent(node) &&
                !shouldIgnore(node)
            ) {
                reportBothOperators(node);
            }
        }
function check(node) {
            if (TARGET_NODE_TYPE.test(node.parent.type) &&
                isMixedWithParent(node) &&
                !shouldIgnore(node)
            ) {
                reportBothOperators(node);
            }
        }
function check ( node ) { if ( TARGET_NODE_TYPE . test ( node . parent . type ) && isMixedWithParent ( node ) && ! shouldIgnore ( node ) ) { reportBothOperators ( node ) ; } }
Checks between the operator of this node and the operator of the
parent node.

@param {ASTNode} node - A node to check.
@returns {void}
Checks between the operator of this node and the operator of the parent node .