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+
+
+# anyInBy
+
+> Test whether at least one property in an object passes a test implemented by a predicate function.
+
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+
+
+
+## Usage
+
+```javascript
+var anyInBy = require( '@stdlib/utils/any-in-by' );
+```
+
+#### anyInBy( object, predicate\[, thisArg ] )
+
+Tests whether at least one property in an `object` passes a test implemented by a `predicate` function.
+
+```javascript
+function isNegative( value ) {
+ return ( value < 0 );
+}
+
+var obj = {
+ 'a': 1,
+ 'b': 2,
+ 'c': -1
+};
+
+var bool = anyInBy( obj, isNegative );
+// returns true
+```
+
+If a `predicate` function returns a truthy value, the function **immediately** returns `true`.
+
+```javascript
+function isPositive( value ) {
+ if ( value < 0 ) {
+ throw new Error( 'should never reach this line' );
+ }
+ return ( value > 0 );
+}
+
+var obj = {
+ 'a': 1,
+ 'b': -2,
+ 'c': 3
+};
+
+var bool = anyInBy( obj, isPositive );
+// returns true
+```
+
+The invoked `function` is provided three arguments:
+
+- `value`: property value
+- `key`: property key
+- `object`: input object
+
+To set the function execution context, provide a `thisArg`.
+
+```javascript
+function sum( value ) {
+ this.sum += value;
+ this.count += 1;
+ return ( value < 0 );
+}
+
+var obj = {
+ 'a': 1,
+ 'b': 2,
+ 'c': 3,
+ 'd': -4
+};
+
+var context = {
+ 'sum': 0,
+ 'count': 0
+};
+
+var bool = anyInBy( obj, sum, context );
+// returns true
+
+var mean = context.sum / context.count;
+// returns 0.5
+```
+
+
+
+
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+
+
+
+
+## Notes
+
+- The `obj` object may contain own properties as well as inherited properties from its prototype chain.
+
+- If provided an empty object, the function returns `false`.
+
+ ```javascript
+ function alwaysTrue() {
+ return true;
+ }
+ var bool = anyInBy( {}, alwaysTrue );
+ // returns false
+ ```
+
+
+
+
+
+
+
+
+
+
+## Examples
+
+
+
+```javascript
+var randu = require( '@stdlib/random/base/randu' );
+var anyInBy = require( '@stdlib/utils/any-in-by' );
+
+function threshold( value ) {
+ return ( value > 0.95 );
+}
+
+var bool;
+var obj = {};
+var i;
+
+for ( i = 0; i < 100; i++ ) {
+ obj[i] = randu();
+}
+
+bool = anyInBy( obj, threshold );
+// returns
+```
+
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