docs: move variable declarations closer to the loop

Signed-off-by: Gunj Joshi <[email protected]>

Author: gunjjoshi

lib/node_modules/@stdlib/constants/float64/max-safe-nth-tribonacci/examples/index.js

@@ -20,9 +20,6 @@
 
 var FLOAT64_MAX_SAFE_NTH_TRIBONACCI = require( './../lib' ); // eslint-disable-line id-length
 
-var v;
-var i;
-
 function tribonacci( n ) {
 	var a;
 	var b;
@@ -51,6 +48,9 @@ function tribonacci( n ) {
 	return c;
 }
 
+var v;
+var i;
+
 for ( i = 0; i < 100; i++ ) {
 	v = tribonacci( i );
 	if ( i > FLOAT64_MAX_SAFE_NTH_TRIBONACCI ) {