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Copy pathPatternProgramming.js
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Copy pathPatternProgramming.js
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149 lines (97 loc) · 3.26 KB
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process.stdout.write is a function from nodes
* * * * *
* * * * *
* * * * *
* * * * *
* * * * *
for (let i = 1; i <= 5; i++) {
for (let j = 1; j <= 5; j++) {
process.stdout.write("* ")
}
console.log();
}
// -------------------------------------------------------------------------------------------------------------------------------------
installing prompt-sync to get value from users
const prompt = require('prompt-sync')()
let n = prompt("enter the num");
for (let i = 1; i <= n; i++) {
for (let j = 1; j <= n; j++) {
process.stdout.write("* ")
}
console.log();
}
// ------------------------------------------------------------------------------------------------------------------------------------
right angle traingle
const prompt = require('prompt-sync')();
let n = prompt("enter a number ");
for (let i = 1; i <= n; i++) {
for (let j = 1; j <= i; j++) {
process.stdout.write("* ")
}
console.log();
}
// -----------------------------------------------------------------------------------------------------------------------------------
printing the same but in this case
A
A B
A B C
A B C D
const prompt = require('prompt-sync')();
let n = prompt("enter a number ");
for (let i = 1; i <= n; i++) {
for (let j = 1; j <= i; j++) {
process.stdout.write(String.fromCharCode(64+j)+ (" "));
}
console.log("");
}
// ----------------------------------------------------------------------------------------------------------------------------------------
printing inverted traingle
const prompt = require('prompt-sync')();
let n = prompt("enter the num ")
for (let i = n; i >= 1; i--) {
for (let j = 1; j <= i; j++) {
process.stdout.write("* ")
}
console.log("");
}
// --------------------------------------------------------------------------------------------------------------------------------------------
*
**
***
*****
const prompt = require('prompt-sync')();
const n = prompt("enter a number");
for (let i = 1; i <= n; i++) {
for (let j = 1; j <= n- i ; j++) {
process.stdout.write("-");
}
for (let j = 1; j <= i; j++) {
process.stdout.write("* ");
}
console.log();
}
// ---------------------------------------------------------------------------------------------------------------------------
creating X pattern
const prompt = require('prompt-sync')();
const n = Number( prompt("enter a number"));
for (let i = 1; i <= n; i++) {
for (let j = 1; j <=n; j++) {
if (i==j || i+j == n+1)
{
process.stdout.write("* ")
}
else process.stdout.write(" ")
}
console.log();
}
// -------------------------------------------------------------------------------------------------------------------------------------------------
creating a V pattern
const prompt = require('prompt-sync')();
const n = Number(prompt("enter the num"));
for (let i = 1; i <= n ; i++) {
for (let j = 1; j <= (n*2)-1; j++) {
if(i==j || i+j == n*2) process.stdout.write("* ")
else process.stdout.write(" ")
}
console.log();
}