Based on what we have studied and learned this semester, you should be able to simulate the execution of JavaScript programs with complexity like these. Make sure you can show your work using the "memory map" method we have used in class.
var glob = 10; function myMain () { var glob = 5; var k = 0; k = foo(12); alert(k); return ; } function foo (x) { var glob = 8; x = x + glob; return x; } answer: ________________
var glob = 10; function myMain () { var glob = 5; var k = 0; k = foo(12); alert(k); return ; } function foo (x) { x = x + glob; return x; } answer: ________________
function myMain () { var ob = makeNewObj(); ob.linc(); ob.linc(); alert(ob.lrep()); return; } function makeNewObj() { var loc_k = 0; var obj = { n:"spring", x:15, flag:true, loc_f:12, linc: function() { loc_k++; } , lrep: function() { return loc_k; } }; obj.linc(); return obj; } answer: ________________
function myMain () { var ob = makeNewObj(); ob.finc(); alert(ob.loc_f + ", " + ob.loc_k); return; } function makeNewObj() { var loc_k = 0; var obj = { n:"spring", x:15, flag:true, loc_f:12, linc: function() { loc_k++; } , lrep: function() { return loc_k; } , finc: function() { this.loc_f++; } }; return obj; } answer: ________________
var tag = 8; var val = 4; tag = tag-val; switch (tag) { case 0: val = val * 2; break; case 1: val = val / 3; break; case 2: val = val + 4; break; case 3: val = 5; break; case 4: val = val * tag; break; case 5: val = val - 1; break; } alert( val ); answer: ________________
var sum = 0; var k = 1; var done = false; while (!done) { sum = sum + k; k += 3; if (k > 15) { done = true; } } alert(sum); answer: ________________
function myMain() { var func; var n = 2; var fns = [ foo, bar ]; alert(fns[0](fns[1](n))); return; } function foo (n) { var x = n*n; return x - n; } function bar (n) { var x = n+1; return x * n; } answer: ________________
function myMain() { var max = 8; var tot = 15; tot = 3 * mash ( max-2 ); alert("tot: " + tot + ", max: " + max); } function mash ( tot ) { var tweak = 3 ; var res = 10 ; res = (tot + tweak) * res ; tot = 11; return res; } answer: ________________
function myMain() { var max = 8; var num = 15; max = 3 * mash ( max-2 ); alert("num: " + num + ", max: " + max); } function mash ( num ) { var res = 10 ; res = (num * res) + tweak(res) ; num = 1; return res; } function tweak ( num ) { var mash = 4; return num + mash; } answer: ________________
function myMain() { var zoom = 5; alert(mash(tweak(zoom))); } function mash ( num ) { var zoom = 4; return tweak(num)+zoom; } function tweak ( num ) { var zoom = 3; return zoom*num; } answer: ________________
function myMain() { var fun; fun = mash(5); alert(fun); } function mash ( num ) { if (num==1) { return 1; } else { return num * mash(num-1); } } answer: ________________
function myMain() { var fun = 0; fun = mash(32); alert(fun); } function mash ( num ) { var res; if (num==2) { return 2; } else { res = 2 + mash(tweak(num)); return res; } } function tweak ( arg ) { return arg/2; } answer: ________________