在参数列表Google App Engine，Jinja 2之后，Uncaught SyntaxError：missing）

This is my time.js file:

这是我的time.js文件:

function timeSince(date) {
    var seconds = Math.floor((new Date() - date) / 1000);
    var interval = Math.floor(seconds / 31536000);
    var timesince = "";
    if (interval > 1) {
        timesince = interval + " years";
    }
    interval = Math.floor(seconds / 2592000);
    if (interval > 1) {
        timesince = interval + " months";
    }
    interval = Math.floor(seconds / 86400);
    if (interval > 1) {
        timesince = interval + " days";
    }
    interval = Math.floor(seconds / 3600);
    if (interval > 1) {
        timesince = interval + " hours";
    }
    interval = Math.floor(seconds / 60);
    if (interval > 1) {
        timesince = interval + " minutes";
    }
    timesince = Math.floor(seconds) + " seconds";
    document.write(timesince)
}
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