1 | (function(d, s, id){ |
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2 | var js, fjs = d.getElementsByTagName(s)[0]; |
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3 | if (d.getElementById(id)) {return;} |
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4 | js = d.createElement(s); js.id = id; |
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5 | js.src = "https://connect.facebook.net/"+lang+"/all.js"; |
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0 ignored issues
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6 | fjs.parentNode.insertBefore(js, fjs); |
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7 | }(document, 'script', 'facebook-jssdk')); |
This checks looks for references to variables that have not been declared. This is most likey a typographical error or a variable has been renamed.
To learn more about declaring variables in Javascript, see the MDN.