array item removal
JavaScript performance comparison
Test case created by MONTILLET Xavier
Preparation code
<script>
Benchmark.prototype.setup = function() {
var ARRAY = [ ];
for ( var i = 0; i <= 999; ++i ) {
ARRAY[ i ] = i;
}
};
</script>
Test runner
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Testing in unknown unknown
| Test |
Ops/sec |
splice - keep all |
var array = ARRAY.slice( );
var i = array.length;
while ( i --> 0 ) {
if ( ! array[ i ] ) {
array.splice( i, 1 );
}
}
|
pending… |
splice - keep half |
var array = ARRAY.slice( );
var i = array.length;
while ( i --> 0 ) {
if ( array[ i ] % 2 ) {
array.splice( i, 1 );
}
}
|
pending… |
splice - keep none |
var array = ARRAY.slice( );
var i = array.length;
while ( i --> 0 ) {
if ( array[ i ] ) {
array.splice( i, 1 );
}
}
|
pending… |
filter - keep all |
var array = ARRAY.slice( );
array = array.filter( function ( item ) {
return item;
} );
|
pending… |
filter - keep half |
var array = ARRAY.slice( );
array = array.filter( function ( item ) {
return item % 2;
} );
|
pending… |
filter - keep none |
var array = ARRAY.slice( );
array = array.filter( function ( item ) {
return !item;
} );
|
pending… |
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