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@beijaflor
Created May 24, 2016 07:09
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// GTMのdetaLayerから値を走査する
// window.dataLayer = [ {"a": "b"}, {"c": "d"} ];
function findDataLayer(key) {
if (window.dataLayer == undefined)
return false;
var dl = window.dataLayer;
for (var i = 0; i < dl.length; i++) {
if( dl[i][key] !== undefined ) {
return dl[i][key];
}
}
return false;
}
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