Counter with Min/Max - Jquery Typing CST Test
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Counter with Min/Max — Jquery Code
Counter that respects minimum and maximum limits.
$(document).ready(function() {
var count = 0;
var min = 0;
var max = 10;
var isDark = false;
function updateCounter() {
$('#counter').text(count);
$('#container').toggleClass('dark-theme', isDark);
$('#container').toggleClass('light-theme', !isDark);
$('#theme-btn').text('Switch to ' + (isDark ? 'Light' : 'Dark') + ' Theme');
}
$('#increment').click(function() { if(count < max) count++; updateCounter(); });
$('#decrement').click(function() { if(count > min) count--; updateCounter(); });
$('#reset').click(function() { count = 0; updateCounter(); });
$('#theme-btn').click(function() { isDark = !isDark; updateCounter(); });
updateCounter();
});Jquery Language Guide
jQuery is a fast, small, and feature-rich JavaScript library designed to simplify DOM manipulation, event handling, animations, and AJAX interactions. It provides a unified API that works consistently across all major browsers.
Primary Use Cases
- ▸Legacy websites and enterprise systems
- ▸WordPress plugins and themes
- ▸Quick DOM scripting and UI enhancements
- ▸Form validation and AJAX requests
- ▸Projects needing wide browser compatibility
Notable Features
- ▸CSS-like DOM selectors
- ▸Chainable APIs
- ▸Animation utilities
- ▸AJAX helpers
- ▸Large plugin ecosystem
Origin & Creator
Created by John Resig in 2006 to provide a concise, cross-browser JavaScript API at a time when native browser features were inconsistent and limited.
Industrial Note
jQuery remains critical for legacy enterprise apps, WordPress themes/plugins, quick UI scripts, and environments where modern frameworks are overkill or unsupported.