Pass a JavaScript Variable into Rails Scripting

Question

This may have been asked before and i can not find anything that would work yet

I am tring to pass a little bit of information into a button that will forward a user to another page.

function addMultiple(){
    var id = $("#truck_company_id").val();
    //dont really want to do this: 
    //window.location.replace("http://www.website.com/companies/"+id+"/trucks");
    //want to do it this way so will work in development
    window.location = <%= trucks_company_path(id) %>;
}

all i need to do is direct a user to the correct website after they click this button.

<button id="class-list" onclick="addMultiple()" class="btn btn-warning pull-right" style="margin: 0;">Add Multiple Trucks</button>

coorasse · Accepted Answer · 2015-07-17 21:25:35Z

2

You can either get rid of Rails using concatenation of strings:

window.location = '/companies/' + id + '/trucks'

or use a Gem like this one

answered Jul 17, 2015 at 21:25

coorasse

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Kremlan · Accepted Answer · 2015-07-17 21:03:55Z

0

Output the path as a data-attribute server side and then retrieve it from the script.

<button data-redirect-url="http://www.website.com/companies/xx/trucks"  id="class-list addMultipleTrucks" class="btn btn-warning pull-right">Add Multiple Trucks</button>

$('#multipleTrucks').click(function(){
    window.location = $(this).data('redirect-url');
});

answered Jul 17, 2015 at 21:03

Kremlan

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2 Comments

Big Al Ruby Newbie Over a year ago

the thing is the ID changes... it is in a drop down list.. also this is not very friendly to development

Kremlan Over a year ago

Render the output of trucks_company_path(id) as data-redirect-url for every id/option in the dropdown list. When you submit the form, redirect to the data-redirect-url of the currently selected option in the dropdown.

Md Sirajus Salayhin · Accepted Answer · 2015-07-17 21:08:47Z

0

Big Al Ruby Newbie, you can't use java-script variable into rails.

So you can use 'data' attribute to get the URL then simply pass id.

answered Jul 17, 2015 at 21:08

Md Sirajus Salayhin

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