Passing Array or Objects to function convert it to string

Question

Here is my requirement, I have an array having datewise data like

$.each(dateWiseArr, function(index, currentDate){
    myDateArray[currentDate] = "myData";
    dateWiseOtherId[currentDate] = "otherId";
});
alert(myDateArray+"::"+dateWiseOtherId);//working fine and showing right data
$("#myBtn").attr("onClick", "myPassingFunction("+myDateArray+", "+dateWiseOtherId+")");

function myPassingFunction(myDateArray, dateWiseOtherId){
    alert(myDateArray[0]);//throw undefined
}

Now when I am press my button function call successfully but variables becomes string.

Let me know if you need more understanding.

Note: myDate

You're using an odd way of binding a click event. Look into a basic jQuery event tutorial - that will also solve your string issue. — pimvdb
– pimvdb, Commented Nov 7, 2012 at 12:42
that is not how you suppose to register listener in jQuery. Please have a look at api.jquery.com/click — AMember
– AMember, Commented Nov 7, 2012 at 12:43
I cannot bind click event onload as parameters and function are change as per condition — Ravi Kumar
– Ravi Kumar, Commented Nov 7, 2012 at 12:44
you might also want to use console.log (not in IE!) instead of nasty alert boxes — geedubb
– geedubb, Commented Nov 7, 2012 at 12:44
the reason this is not working for you is becouse you really are passing only the string representation of the array when you concat the onclick value like this. — AMember
– AMember, Commented Nov 7, 2012 at 12:44

Guffa · Accepted Answer · 2012-11-07 12:46:05Z

1

Bind a function instead of binding a string, then you don't need to convert the values to strings:

$("#myBtn").click(function(){
  myPassingFunction(myDateArray, dateWiseOtherId);
});

answered Nov 7, 2012 at 12:46

Guffa

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Tapan · Accepted Answer · 2012-11-07 12:49:08Z

1

Try below. It should work.

$.each(dateWiseArr, function(index, currentDate){
    myDateArray[currentDate] = "myData";
    dateWiseOtherId[currentDate] = "otherId";
});

alert(myDateArray+"::"+dateWiseOtherId);//working fine and showing right data

$("#myBtn").click(function (event) {
     myPassingFunction(myDateArray, dateWiseOtherId);
});

function myPassingFunction(myDateArray, dateWiseOtherId){
    alert(myDateArray[0]);//throw undefined
}

answered Nov 7, 2012 at 12:49

Tapan

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Renato Gama · Accepted Answer · 2012-11-07 12:55:44Z

0

Right way of binding events: Check this working fiddle http://jsfiddle.net/vC4Yk/

var myDateArray = ["some data"];
var dateWiseOtherId = ["some other data"];

alert(myDateArray+"::"+dateWiseOtherId);//working fine and showing right data

$("#myBtn").click(function(){
   myPassingFunction(myDateArray, dateWiseOtherId);      
});

function myPassingFunction(myDateArray, dateWiseOtherId){
    alert(myDateArray[0]);
}

answered Nov 7, 2012 at 12:55

Renato Gama

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