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Fix feature detection for IE

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operator `!` has higher precedence (4) than operator `in` (8). Parentheses are mandatory here.
This commit is contained in:
Cédric Bertolini 2016-06-13 10:55:07 +02:00 committed by Christophe Coevoet
parent ad1ffc5e95
commit b35658b1ff
1 changed files with 1 additions and 1 deletions
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src/Symfony/Bundle/WebProfilerBundle/Resources/views/Profiler/base_js.html.twig
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@ -209,7 +209,7 @@
var addEventListener; var addEventListener;
var el = document.createElement('div'); var el = document.createElement('div');
if (!'addEventListener' in el) { if (!('addEventListener' in el)) {
addEventListener = function (element, eventName, callback) { addEventListener = function (element, eventName, callback) {
element.attachEvent('on' + eventName, callback); element.attachEvent('on' + eventName, callback);
}; };