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-rw-r--r-- | docs/code-quality/lint/linters/eslint-plugin-mozilla/rules/balanced-listeners.rst | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/docs/code-quality/lint/linters/eslint-plugin-mozilla/rules/balanced-listeners.rst b/docs/code-quality/lint/linters/eslint-plugin-mozilla/rules/balanced-listeners.rst new file mode 100644 index 0000000000..f53c11e7aa --- /dev/null +++ b/docs/code-quality/lint/linters/eslint-plugin-mozilla/rules/balanced-listeners.rst @@ -0,0 +1,20 @@ +balanced-listeners +================== + +Checks that for every occurrence of 'addEventListener' or 'on' there is an +occurrence of 'removeEventListener' or 'off' with the same event name. + +Examples of incorrect code for this rule: +----------------------------------------- + +.. code-block:: js + + elt.addEventListener('click', handler, false); + +Examples of correct code for this rule: +--------------------------------------- + +.. code-block:: js + + elt.addEventListener('event', handler); + elt.removeEventListener('event', handler); |