javascript - JSHint redefinition warning and adding more properties to object - Stack Overflow

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I have object definition spanning multiple files and I use the following syntax to add more properties to namespace

var app = app || {};

// and then
app.namespace = {
  ...
}

But JSHint warns me with stuff like:

[L1:C5] W079: Redefinition of 'app'.
var app = app || {};

I'm not sure if this is really wrong as I've seen it used many times e.g. together with module pattern.

If that's ok, how can I globally supress that warning? I've found a way to supress given option for given file with

/* jshint: -W079 */ 

but is there a way to do it globally? Or is it considered bad practice?

I have object definition spanning multiple files and I use the following syntax to add more properties to namespace

var app = app || {};

// and then
app.namespace = {
  ...
}

But JSHint warns me with stuff like:

[L1:C5] W079: Redefinition of 'app'.
var app = app || {};

I'm not sure if this is really wrong as I've seen it used many times e.g. together with module pattern.

If that's ok, how can I globally supress that warning? I've found a way to supress given option for given file with

/* jshint: -W079 */ 

but is there a way to do it globally? Or is it considered bad practice?

• javascript
• jshint

Share Improve this question Follow asked Sep 19, 2013 at 10:40 Michal OstruszkaMichal Ostruszka 2,09922 gold badges2121 silver badges2424 bronze badges

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1 Answer 1

Sorted by: Reset to default 11

use this:

window.app = window.app || {};

What you are trying is assigning the local variable app to the global variable app.

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