JavaScript react.js - Deep Object in state with async data does not work react deep object comparison,react deep object compare,react object

this.state.data.metadata is undefined until loading occurs. Accessing any property on undefined gives you a TypeError. This is not specific to React—it's just how JavaScript object references work.

I suggest you use { data: null } in initial state and return something else from render with a condition like if (!this.state.data).

Answer:1

I'm working on an app that starts a Google Hangout On Air. We do this programmatically using Javascript and the Google+ Hangouts API. We've successfully created the button and when you click it, it ...

I'm working on an app that starts a Google Hangout On Air. We do this programmatically using Javascript and the Google+ Hangouts API. We've successfully created the button and when you click it, it ...

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I have a base template: <template name="ApplicationLayout"> {{> yield}} </template> and I route templates into it using Iron Router, like so: Router.configure({ layoutTemplate: ...

I have a base template: <template name="ApplicationLayout"> {{> yield}} </template> and I route templates into it using Iron Router, like so: Router.configure({ layoutTemplate: ...

Hi there my code is quite simple but Id like for the design purposes to keep everything neat , at the moment Im pulling all the description which is like Some could be huge others can be quite small , ...

Hi there my code is quite simple but Id like for the design purposes to keep everything neat , at the moment Im pulling all the description which is like Some could be huge others can be quite small , ...

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EDIT, new code based on Mottie's answer: jQuery.tablesorter.addParser({ id: "monetaryValue", is: function (s) { return false; }, format: function (s) { return s.replace('$'...

EDIT, new code based on Mottie's answer: jQuery.tablesorter.addParser({ id: "monetaryValue", is: function (s) { return false; }, format: function (s) { return s.replace('$'...

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