The getRowCount() method of p5.Table in p5.js is used to return the total number of rows in a table object.
Syntax:
getRowCount()
Parameters: This function does not accept any parameters.
Return Value: It returns an integer value which specifies the number of rows in the table.
Below example illustrates the getRowCount() method in p5.js:
Example:
let rowCount = 1;   function setup() {   createCanvas(500, 400);   textSize(16);     addRowBtn = createButton("Add Row");   addRowBtn.position(30, 50);   addRowBtn.mouseClicked(addOneRow);     removeRowBtn =     createButton("Clear Last Row");   removeRowBtn.position(160, 50);   removeRowBtn.mouseClicked(clearLastRow);     // Create the table   table = new p5.Table();     // Add columns   table.addColumn("book");   table.addColumn("price");     // Display the table   showTable(); }   function addOneRow() {   let newRow = table.addRow();   newRow.set('book', "Book " + rowCount);   newRow.set('price', "Price " +     (rowCount * random(1, 10)).toFixed(1));     rowCount++;     showTable(); }   function clearLastRow() {   let lastRow = table.getRowCount() - 1;   if (lastRow >= 0)     table.removeRow(lastRow);     showTable(); }   function showTable() {   clear();   text("Click on the buttons to change" +        " the number of rows in the table",        20, 20);     // Get the number of rows in the table   let rowCount = table.getRowCount();     // Display the total rows   // present in the table   text("There are " + rowCount +        " rows in the table", 20, 100);     // Show all the rows currently   // present in the table   for (let r = 0; r < rowCount; r++) {     let currRow = table.rows[r].arr.toString();     currRow = currRow.split(", ").join(" ");       text(currRow, 30, 140 + r * 20);   } } |
Output:
Online editor: https://editor.p5js.org/
Environment Setup: https://www.geeksforgeeks.org/p5-js-soundfile-object-installation-and-methods/
Reference: https://p5js.org/reference/#/p5.Table/getRowCount
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