Annuity Ladder Calculator

'+body+''); printWin.document.close(); printWin.focus(); setTimeout(function(){ printWin.print(); }, 400); }; } function syncCustom(){ if(allocEl.value !== 'custom') return; renderCustomRows(buildTerms( Math.max(2,Math.min(10,parseInt(rungsEl.value||5))), parseInt(startEl.value||3), parseInt(stepEl.value||1) )); } allocEl.addEventListener('change', function(){ var terms = buildTerms(Math.max(2,Math.min(10,parseInt(rungsEl.value||5))),parseInt(startEl.value||3),parseInt(stepEl.value||1)); if(allocEl.value === 'custom'){ customWrap.style.display='block'; renderCustomRows(terms); } else customWrap.style.display='none'; }); [rungsEl,startEl,stepEl].forEach(function(el){ el.addEventListener('input', syncCustom); }); document.querySelectorAll('.lc-preset').forEach(function(btn){ btn.addEventListener('click', function(){ var p = btn.getAttribute('data-preset'); if(p==='3to7'){ rungsEl.value=5; startEl.value=3; stepEl.value=1; } else if(p==='5to9'){ rungsEl.value=5; startEl.value=5; stepEl.value=1; } else if(p==='5710'){ rungsEl.value=3; startEl.value=5; stepEl.value=2; } syncCustom(); }); }); $('lc-build').addEventListener('click', buildLadder); rungsEl.value=5; startEl.value=3; stepEl.value=1; renderCurve(); })();