getJson problem, it returns undefined

Question

hello all i have this code

var temp;
if(method==1)
  temp = $("#Words").val();             //get the words from textbox
else{
  $.getJSON("http://localhost/mine/test.js", function(data) {
      temp=data.Words;
  });
}
//do something with temp...but temp is undefined after the execution of else

but temp is undefined after the execution of getJson...if i put an alert(temp) it continues whats going on? how can i take the value of temp to continue?

thanks in advance!

Dogbert · Accepted Answer · 2011-07-19 11:51:38Z

3

it's because getJSON is ajax request, not synchronous. Try this

var temp;
if(method==1) {
  temp = $("#Words").val();             //get the words from textbox
  proc(temp);
} else {
  $.getJSON("http://localhost/mine/test.js", function(data) {
      temp=data.Words;
      proc(temp);
  });
}

function proc(data){
    //do something with temp...but temp is undefined after the execution of else
}

edited Jul 19, 2011 at 11:51

Dogbert

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answered Jul 19, 2011 at 11:49

genesis

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Comments

Ilia Choly · Accepted Answer · 2011-07-19 11:52:01Z

0

you are providing the $.getJSON() function with a callback function. That doesn't get executed until the request is complete.

answered Jul 19, 2011 at 11:52

Ilia Choly

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