Chrome DevTools

1.0: DOMDebugger

DOM debugging allows setting breakpoints on particular DOM operations and events. JavaScript execution will stop on these operations as if there was a regular breakpoint set.

Commands

DOMDebugger.removeDOMBreakpoint

request: {
"id": <number>,
"method": "DOMDebugger.removeDOMBreakpoint",
"params": {
  "nodeId": <DOM.NodeId>,
  "type": <DOMBreakpointType>
}
}
response: {
"id": <number>,
"error": <object>
}

Removes DOM breakpoint that was set using setDOMBreakpoint.

Parameters

nodeId
Identifier of the node to remove breakpoint from.
type
Type of the breakpoint to remove.

DOMDebugger.removeEventListenerBreakpoint

request: {
"id": <number>,
"method": "DOMDebugger.removeEventListenerBreakpoint",
"params": {
  "eventName": <string>
}
}
response: {
"id": <number>,
"error": <object>
}

Removes breakpoint on particular DOM event.

Parameters

eventName
( string )
Event name.

DOMDebugger.removeXHRBreakpoint

request: {
"id": <number>,
"method": "DOMDebugger.removeXHRBreakpoint",
"params": {
  "url": <string>
}
}
response: {
"id": <number>,
"error": <object>
}

Removes breakpoint from XMLHttpRequest.

Parameters

url
( string )
Resource URL substring.

DOMDebugger.setDOMBreakpoint

request: {
"id": <number>,
"method": "DOMDebugger.setDOMBreakpoint",
"params": {
  "nodeId": <DOM.NodeId>,
  "type": <DOMBreakpointType>
}
}
response: {
"id": <number>,
"error": <object>
}

Sets breakpoint on particular operation with DOM.

Parameters

nodeId
Identifier of the node to set breakpoint on.
type
Type of the operation to stop upon.

DOMDebugger.setEventListenerBreakpoint

request: {
"id": <number>,
"method": "DOMDebugger.setEventListenerBreakpoint",
"params": {
  "eventName": <string>
}
}
response: {
"id": <number>,
"error": <object>
}

Sets breakpoint on particular DOM event.

Parameters

eventName
( string )
DOM Event name to stop on (any DOM event will do).

DOMDebugger.setXHRBreakpoint

request: {
"id": <number>,
"method": "DOMDebugger.setXHRBreakpoint",
"params": {
  "url": <string>
}
}
response: {
"id": <number>,
"error": <object>
}

Sets breakpoint on XMLHttpRequest.

Parameters

url
( string )
Resource URL substring. All XHRs having this substring in the URL will get stopped upon.

Types

DOMBreakpointType: enumerated string

[ "attribute-modified" , "node-removed" , "subtree-modified" ]

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