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How to see the post content in chrome?
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Within Chrome, it's possible to place a breakpoint on a XmlHttpRequest allowing you to debug AJAX requests. You can add a breakpoint by going to the "Sources" tab and selecting "XHR Breakpoints". Click the plus icon and type part or all of the URL you wish to add a breakpoint for.
1. Open Chrome browser 2. Go to chrome://flags/#allow-sync-xhr-in-page-dismissal 3. Change the drop-down selection from “Default” or “Disabled” to “Enabled”.
XMLHttpRequest (XHR) is a JavaScript API to create AJAX requests. Its methods provide the ability to send network requests between the browser and a server.
Start up the Developer tools (Shift+Ctrl+J on Linux) and click Enable Resource Tracking. The page will refresh. Click on the Resources button, XHRs are colored yellow. To see the post content simply click on the resource. The POST content is in the Request Headers. You can also filter out just the XHRs with the XHR button in the bar below the tabs.
Hope this helps,
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On Windows, Chrome 12, I had to right-click somewhere in the console window and tick XMLHttpRequest logging to enable this.
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Chrome version 43 now, go to Settings > General > Console and check the "Log XMLHttpRequests" option.
Update: I wanted to see the XHR Object, but it seems I still can't do that despite the logging.
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In the Javascript console pane right click and tick the "Log XMLHttpRequests" option. Then in the developer tools section choose the network tab.
When you fire the Ajax request a new item will (sometimes delayed) appear in the network tab. Click on it to inspect it and then choose "Headers".
That will show you the post data you just sent.
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One option would be to use a normal packet sniffer like wireshark. It seems that chrome now supports directly sniffing XHR, see below.
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2020 Update
In the current version of Chrome (Google Chrome 81.0.4044.138) you can simply
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