Unable to use global variable inside foreach

[Krupakar Reddy]

Hi,

i am trying to access a global variable inside a  <!-- ko foreach: entities -->

    <td data-bind="text:$root.isGroupValid"></td>

isGroupValid is global variable but while rendering to the table it is not showing any value any any clues on why its not showing values for the variable

[Gunnar Liljas]

What do you mean by "global variable"? $root refers to the viewmodel sent into ko.applyBindings.

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[Krupakar Reddy]

 isGroupValid is a variable which is not a part of entities object .i am able to perfectly use the isGroupValid variable ooutside of the  <!-- ko foreach: entities --> tag

[Gunnar Liljas]

Remove $root then, but it's really not a good practice.

/G

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[Krupakar Reddy]

if remove the $root table is not at all generating the content with $root i am able to build the table but value is not populated i am totally confused

[Noirabys]

please supply more code ...

in foreach you can access the parent context with $parent 

$root is the modelx object you supply by ko.applyBindings(modelx,nodey) when you are in the dom-tree supplied by nodey, default for nodey is the document body

if you don't supply a context i think knockout tries to find it in $data , if not found there knockout tries the global (window) object