angular.foreach function throws syntax error

Question

function getTotal.getValues() is a server call that returns "one", "two", "three" ... "nine". i can print them with console.log(res). however, it seems i cannot push them into variable v created inside runTest Function. in this code, console.log(r) does not print anything because return v is empty. any ideas?

var test = [1,2,3,4,5,6,7,8,9];

        function runTest(val) {
            var v = [];
            val.forEach(function(t) {
                getTotal.getValues(t).then(function(res) {
                    //console.log(res);
                    v.push(res);
                });
            });
            return v;
        }
        runTest(test).forEach(function(r) {
            console.log(r);
        });

Your syntax looks fine to me. Are you sure it's a syntax error you're getting? — Mike Cluck
– Mike Cluck, Commented Aug 6, 2014 at 16:54
yes, i'm still getting the same error. syntax error, $injector could not initiate ... — Masoud Jg
– Masoud Jg, Commented Aug 6, 2014 at 17:19
If it was a syntax error, it would be saying something like SyntaxError: Unexpected token. The code above cannot be producing the error you're reporting. — Mike Cluck
– Mike Cluck, Commented Aug 6, 2014 at 17:21
ok Mike, this i was setting my test variable in a function out side of my controller, then returning the result and grabbing it inside controller, syntax error is gone. i have another problem, let me update my question ... — Masoud Jg
– Masoud Jg, Commented Aug 6, 2014 at 17:28
I have edited the question after your hint, this is where i mean by foreach does not work. v.push(res) seems to be not working, however i can print res values with console.log(res) — Masoud Jg
– Masoud Jg, Commented Aug 6, 2014 at 17:38

msapkal · Accepted Answer · 2014-08-06 17:05:12Z

1

Are you mistaken between angular forEach and javascript forEach.

Angular forEach should be like this. I can't see angular forEach I your code snippet.

angular.forEach(test, function(value, key) {
    console.log(value);
});

answered Aug 6, 2014 at 17:05

msapkal

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ktzhang · Accepted Answer · 2014-08-06 17:22:00Z

0

This is how your forEach function should look like:

var test = [1,2,3,4,5,6,7,8,9];
test.forEach(function logArrayElements(element, index, array) {
    console.log("a[" + index + "] = " + element);
});
// logs:
// a[0] = 1
// a[1] = 2
// a[2] = 3

https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Global_Objects/Array/forEach

But if you want to use angular.forEach(), refer to: https://docs.angularjs.org/api/ng/function/angular.forEach

Good luck!

answered Aug 6, 2014 at 17:22

ktzhang

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