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“Submit is not a function” error in JavaScript

Can anyone tell me what is going wrong with this code? I tried to submit a form with JavaScript, but an error ".submit is not a function" shown. See below for more details of the code: ...
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in javascript, how can i get the last character in a string [duplicate]

...ot supported in very old browsers, eg. IE6. – programmer5000 Feb 23 '17 at 18:36 64 IE6 - 23 Feb ...
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Twitter bootstrap 3 two columns full height

...s don't support the layout that you describe, however, we can integrate some custom CSS which make use of css tables to achieve this. Bootply demo / Codepen Markup: <header>Header</header> <div class="container"> <div class="row"> <div class="col-md-3 no-fl...
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Embedding ads on Android app?

...have personally used both Admob and Adsense. I was wary when I first implemented ads thinking that my users would be upset, but I have not received one complaint from over 500,000 active installations. The only permission that you need to add for either ad SDK to work is the android.permission.INT...
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Setting UIButton image results in blue button in iOS 7

...t to get rid of the tint color, try [myUIButton setImage: [[UIImage imageNamed: @"myButtonImage"] imageWithRenderingMode: UIImageRenderingModeAlwaysOriginal] forState: UIControlStateNormal]; (with the button type set to "System" in IB). – JWK Dec 18 '13 at 22:5...
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How to set host_key_checking=false in ansible inventory file?

...ons of ansible. Yes, you can do it at the host/inventory level (Which became possible on newer ansible versions) or global level: inventory: Add the following. ansible_ssh_common_args='-o StrictHostKeyChecking=no' host: Add the following. ansible_ssh_extra_args='-o StrictHostKeyChecking=no' ...
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Building executable jar with maven?

I am trying to generate an executable jar for a small home project called "logmanager" using maven, just like this: 4 Answe...
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Call UrlHelper in models in ASP.NET MVC

I need to generate some URLs in a model in ASP.NET MVC. I'd like to call something like UrlHelper.Action() which uses the routes to generate the URL. I don't mind filling the usual blanks, like the hostname, scheme and so on. ...
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Java: How to set Precision for double value? [duplicate]

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Difference between Covariance & Contra-variance

...nd contravariance are properties of a mapping function that associates one member of a set with another. More specifically, a mapping can be covariant or contravariant with respect to a relation on that set. Consider the following two subsets of the set of all C# types. First: { Animal, Tiger, ...