Creating Calculator Using Html Css And Javascript

var selectedTemplate = 1;\nvar selectedDemo = 1;\n\n// ————————-\n// HTML Calculator Template\n// ————————-\nvar htmlTemplate = ‘\\n’\n + ‘\\n’\n + ‘\\n’\n + ‘\\n’\n + ‘

\\n’\n + ‘\\n’\n + ‘\\n’\n + ‘

\\n’\n + ‘

Calculator Title

\\n’\n + ‘ \\n’\n + ‘ \\n’\n + ‘ \\n’\n + ‘ \\n’\n + ‘ \\n’\n + ‘

\\n’\n + ‘

\\n’\n + ‘\\n’\n + ‘\\n’\n + ‘‘;\n\n// ————————-\n// Demo Calculator Code\n// ————————-\nvar demoCalculatorCode = ‘\\n’\n + ‘\\n’\n + ‘\\n’\n + ‘\\n’\n + ‘

\\n’\n + ‘\\n’\n + ‘\\n’\n + ‘

\\n’\n + ‘

Age Calculator

\\n’\n + ‘

\\n’\n + ‘ \\n’\n + ‘ \\n’\n + ‘

\\n’\n + ‘ \\n’\n + ‘

\\n’\n + ‘

\\n’\n + ‘\\n’\n + ‘\\n’\n + ‘‘;\n\n// ————————-\n// Calculator Initialization\n// ————————-\nfunction loadCalculator() {\\n’\n + ‘ if (selectedTemplate === 1) {\\n’\n + ‘ document.getElementById(‘calculatorCode’).value = htmlTemplate.trim();\\n’\n + ‘ } else if (selectedTemplate === 2) {\\n’\n + ‘ document.getElementById(‘calculatorCode’).value = demoCalculatorCode.trim();\\n’\n + ‘ }\\n’\n + ‘}\\n’\n + ‘\\n’\n + ‘window.onload = function