how to get data from javascript ajax from another page

Question

I am using a script with jQuery:

$(document).ready(function () {
    var button;
    var line;
    var inputs;
    var params = {};
    var updatefield;
    $('button.update').click(function () {
        button = $(this);
        params['button'] = button.val();
        line = button.closest('.line');
        updatefield = line.find('td.resultFromGet');
        inputs = line.find('input');
        inputs.each(function (id, item) {
            switch($(item).attr('type')){
                case 'checkbox':{
                    params[$(item).attr('name')] = new Array($(item).is(':checked'));
                    break;
                }
                default:{
                    params[$(item).attr('name')] = new Array($(item).attr('value'));
                    break;
                }
            }
        });
        //alert(JSON.stringify(params, null, 4));
        $.get( 'core/ajax/correct_exec.php', params )
            .done(function (data){
                if(data == '1'){
                    $(updatefield).html('UPDATE_RECORD_SUCCESS');
                } else {
                    $(updatefield).html( data );
                }
            });
    });
});

The page I am getting is doing echo '1'; from PHP in case of success. I try to test this with data == 1 but it doesn't work even though it is a success. In fact, it sends me $(updatefield).html( data ); which is 1. So why can't it just print UPDATE_RECORD_SUCCESS?

updatefield is already a jQuery object, so you can just do: updatefield.html('UPDATE_RECORD_SUCCESS'); — Alex
– Alex, Commented Feb 28, 2014 at 16:12
console.log($(updatefield).length); so that you know if it exists. But still id recommend to use chrome and put a breaking point on that line of code: if(data == '1') — Marcio
– Marcio, Commented Feb 28, 2014 at 16:16
how can I do that? I never used any debug tool for javascript, only try and errors. Do you have a link where I can see how to do breaking point and use chrome for that. In fact, I didn't even know it was possible so I guess learning that will help me so much in finding my errors in the future :). — user2040597
– user2040597, Commented Feb 28, 2014 at 16:17

Suman Bogati · Accepted Answer · 2014-02-28 17:25:53Z

2

The data response is coming with white space, if you use trim() function something like this, then if condition should be executed.

if(data.trim() == '1'){
     $('#updatefield').html('UPDATE_RECORD_SUCCESS'); //this should be executed
} else {
  $('#updatefield').html( data );
}

Here you can see the space with data in chrome debugger.

enter image description here

edited Feb 28, 2014 at 17:25

answered Feb 28, 2014 at 16:25

Suman Bogati

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2 Comments

user2040597 Over a year ago

Hi, how did you manage to see this in chrome debugger? I used a console.log(data) but I don't see the little arrow showing there is a return at the EOL.

Suman Bogati Over a year ago

For this you will have to use breakpoint to line if(data == '1'){, for information about breakpoint see developers.google.com/chrome-developer-tools/docs/….

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