From 3583421ea5e13deabe4208347c56c60eabb0cd26 Mon Sep 17 00:00:00 2001 From: Steve Bosman Date: Sun, 30 Jan 2022 00:03:52 +0000 Subject: [PATCH] 95 Workday - remove warnings using const and let --- 95_Weekday/javascript/weekday.js | 92 +++++++++++++++----------------- 1 file changed, 44 insertions(+), 48 deletions(-) diff --git a/95_Weekday/javascript/weekday.js b/95_Weekday/javascript/weekday.js index 276e1817..caf45990 100644 --- a/95_Weekday/javascript/weekday.js +++ b/95_Weekday/javascript/weekday.js @@ -10,33 +10,29 @@ function print(str) function input() { - var input_element; - var input_str; - return new Promise(function (resolve) { - input_element = document.createElement("INPUT"); + const input_element = document.createElement("INPUT"); print("? "); input_element.setAttribute("type", "text"); input_element.setAttribute("length", "50"); document.getElementById("output").appendChild(input_element); input_element.focus(); - input_str = undefined; input_element.addEventListener("keydown", function (event) { - if (event.keyCode == 13) { - input_str = input_element.value; - document.getElementById("output").removeChild(input_element); - print(input_str); - print("\n"); - resolve(input_str); - } + if (event.keyCode === 13) { + const input_str = input_element.value; + document.getElementById("output").removeChild(input_element); + print(input_str); + print("\n"); + resolve(input_str); + } }); }); } function tab(space) { - var str = ""; + let str = ""; while (space-- > 0) str += " "; return str; @@ -50,19 +46,19 @@ function fnb(arg) { return Math.floor(arg / 7); } -var t = [, 0, 3, 3, 6, 1, 4, 6, 2, 5, 0, 3, 5]; +const t = [, 0, 3, 3, 6, 1, 4, 6, 2, 5, 0, 3, 5]; -var k5; -var k6; -var k7; +let k5; +let k6; +let k7; function time_spent(f, a8) { - k1 = Math.floor(f * a8); - i5 = Math.floor(k1 / 365); + let k1 = Math.floor(f * a8); + const i5 = Math.floor(k1 / 365); k1 -= i5 * 365; - i6 = Math.floor(k1 / 30); - i7 = k1 - (i6 * 30); + const i6 = Math.floor(k1 / 30); + const i7 = k1 - (i6 * 30); k5 -= i5; k6 -= i6; k7 -= i7; @@ -89,47 +85,47 @@ async function main() print("GIVES FACTS ABOUT A DATE OF INTEREST TO YOU.\n"); print("\n"); print("ENTER TODAY'S DATE IN THE FORM: 3,24,1979 "); - str = await input(); - m1 = parseInt(str); - d1 = parseInt(str.substr(str.indexOf(",") + 1)); - y1 = parseInt(str.substr(str.lastIndexOf(",") + 1)); + let str = await input(); + const m1 = parseInt(str); + const d1 = parseInt(str.substr(str.indexOf(",") + 1)); + const y1 = parseInt(str.substr(str.lastIndexOf(",") + 1)); // This program determines the day of the week // for a date after 1582 print("ENTER DAY OF BIRTH (OR OTHER DAY OF INTEREST)"); str = await input(); - m = parseInt(str); - d = parseInt(str.substr(str.indexOf(",") + 1)); - y = parseInt(str.substr(str.lastIndexOf(",") + 1)); + const m = parseInt(str); + const d = parseInt(str.substr(str.indexOf(",") + 1)); + const y = parseInt(str.substr(str.lastIndexOf(",") + 1)); print("\n"); - i1 = Math.floor((y - 1500) / 100); + const i1 = Math.floor((y - 1500) / 100); // Test for date before current calendar. if (y - 1582 < 0) { print("NOT PREPARED TO GIVE DAY OF WEEK PRIOR TO MDLXXXII.\n"); } else { - a = i1 * 5 + (i1 + 3) / 4; - i2 = Math.floor(a - fnb(a) * 7); - y2 = Math.floor(y / 100); - y3 = Math.floor(y - y2 * 100); + let a = i1 * 5 + (i1 + 3) / 4; + const i2 = Math.floor(a - fnb(a) * 7); + const y2 = Math.floor(y / 100); + const y3 = Math.floor(y - y2 * 100); a = y3 / 4 + y3 + d + t[m] + i2; - b = Math.floor(a - fnb(a) * 7) + 1; + let b = Math.floor(a - fnb(a) * 7) + 1; if (m <= 2) { - if (y3 != 0) { + if (y3 !== 0) { t1 = Math.floor(y - fna(y) * 4); } else { a = i1 - 1; t1 = Math.floor(a - fna(a) * 4); } - if (t1 == 0) { - if (b == 0) + if (t1 === 0) { + if (b === 0) b = 6; b--; } } - if (b == 0) + if (b === 0) b = 7; if ((y1 * 12 + m1) * 31 + d1 < (y * 12 + m) * 31 + d) { print(m + "/" + d + "/" + y + " WILL BE A "); - } else if ((y1 * 12 + m1) * 31 + d1 == (y * 12 + m) * 31 + d) { + } else if ((y1 * 12 + m1) * 31 + d1 === (y * 12 + m) * 31 + d) { print(m + "/" + d + "/" + y + " IS A "); } else { print(m + "/" + d + "/" + y + " WAS A "); @@ -141,7 +137,7 @@ async function main() case 4: print("WEDNESDAY.\n"); break; case 5: print("THURSDAY.\n"); break; case 6: - if (d == 13) { + if (d === 13) { print("FRIDAY THE THIRTEENTH---BEWARE!\n"); } else { print("FRIDAY.\n"); @@ -149,11 +145,11 @@ async function main() break; case 7: print("SATURDAY.\n"); break; } - if ((y1 * 12 + m1) * 31 + d1 != (y * 12 + m) * 31 + d) { - i5 = y1 - y; + if ((y1 * 12 + m1) * 31 + d1 !== (y * 12 + m) * 31 + d) { + let i5 = y1 - y; print("\n"); - i6 = m1 - m; - i7 = d1 - d; + let i6 = m1 - m; + let i7 = d1 - d; if (i7 < 0) { i6--; i7 += 30; @@ -163,17 +159,17 @@ async function main() i6 += 12; } if (i5 >= 0) { - if (i7 == 0 && i6 == 0) + if (i7 === 0 && i6 === 0) print("***HAPPY BIRTHDAY***\n"); print(" \tYEARS\tMONTHS\tDAYS\n"); print(" \t-----\t------\t----\n"); print("YOUR AGE (IF BIRTHDATE) \t" + i5 + "\t" + i6 + "\t" + i7 + "\n"); - a8 = (i5 * 365) + (i6 * 30) + i7 + Math.floor(i6 / 2); + const a8 = (i5 * 365) + (i6 * 30) + i7 + Math.floor(i6 / 2); k5 = i5; k6 = i6; k7 = i7; // Calculate retirement date. - e = y + 65; + const e = y + 65; // Calculate time spent in the following functions. print("YOU HAVE SLEPT \t\t\t"); time_spent(0.35, a8); @@ -187,7 +183,7 @@ async function main() print("YOU HAVE WORKED/PLAYED \t\t"); } time_spent(0.23, a8); - if (k6 == 12) { + if (k6 === 12) { k5++; k6 = 0; }