var a = new Array(4); a[0] = new Array(5,1); a[1] = new Array(4,2); a[2] = new Array(6,3); a[3] = new Array(3,4); a.sort(function(a,b){return a[0]-b[0]}); alert(a.join("\r\n"));
<script> var a = new Array(4); a[0] = new Array(5,1); a[1] = new Array(4,2); a[2] = new Array(6,3); a[3] = new Array(3,4); a.sort( function(a, b){ return a[0]-b[0]; } ); alert(a.join('\n')); </script>
var a = new Array(4);
a[0] = new Array(5,1);
a[1] = new Array(4,2);
a[2] = new Array(6,3);
a[3] = new Array(3,4); a.sort(
function(a, b){
return a[0]-b[0];
}
);
alert(a.join('\n'));
</script>