//// [letDeclarations-es5-1.ts]
    let l1;
    let l2: number;
    let l3, l4, l5 :string, l6;    
    let l7 = false;
    let l8: number = 23;
    let l9 = 0, l10 :string = "", l11 = null;

//// [letDeclarations-es5-1.js]
var l1;
var l2;
var l3, l4, l5, l6;
var l7 = false;
var l8 = 23;
var l9 = 0, l10 = "", l11 = null;
