JAVASCRIPT - somo la 24: Jinsi ya kutengeneza online keyboard
Katika project hii utakwenda kufunza jinsi utakavyoweza kutengeneza keyboard ya online kwa kutumia javascript
PROJECT YA KUTENGENEZA ONLINE KEYBOARD:
Kama umeshawahi kuona katika huduma za kibenk unaweza kukuta kuwa kuna online keyboard kwa ajili ya kulinda usalama endapo kuna program ambayo inachukuwa taarifa za keyboard kwenye kompyuta ama simu ya mtu.
Program hii tutaitengenza kutokana na program ya calculator ambayo tulishaiona kwenye masomo yaliotangulia.
<html>
<head>
<title>Mafunzo ya javascript</title>
<style>
.button {
font-size: 24px;
padding: 10px;
margin: 5px;
border-radius: 5px;
background-color: #f1f1f1;
color: #333;
border: none;
cursor: pointer;
}
.button2 {
font-size: 24px;
padding: 10px;
margin: 5px;
border-radius: 5px;
background-color: #0bcaec;
color: rgb(0, 0, 0);
border: none;
cursor: pointer;
}
button:hover {
background-color: #ddd;
}
#input {
font-size: 24px;
padding: 10px;
margin: 5px;
border-radius: 5px;
border: 1px solid #ddd;
}
</style>
</head>
</html>
<body>
<textarea id="input"></textarea>
<br />
<button class="button" onclick="addChar('q')">q</button>
<button class="button" onclick="addChar('w')">w</button>
<button class="button" onclick="addChar('e')">e</button>
<button class="button" onclick="addChar('r')">r</button>
<button class="button" onclick="addChar('t')">t</button>
<button class="button" onclick="addChar('y')">y</button>
<button class="button" onclick="addChar('u')">u</button>
<button class="button" onclick="addChar('i')">i</button>
<button class="button" onclick="addChar('o')">o</button>
<button class="button" onclick="addChar('p')">p</button>
<br />
<button class="button" onclick="addChar('a')">a</button>
<button class="button" onclick="addChar('s')">s</button>
<button class="button" onclick="addChar('d')">d</button>
<button class="button" onclick="addChar('f')">f</button>
<button class="button" onclick="addChar('g')">g</button>
<button class="button" onclick="addChar('h')">h</button>
<button class="button" onclick="addChar('j')">j</button>
<button class="button" onclick="addChar('k')">k</button>
<button class="button" onclick="addChar('l')">l</button>
<button class="button2" onclick="addChar('+')">+</button>
<br />
<button class="button" onclick="addChar('z')">z</button>
<button class="button" onclick="addChar('x')">x</button>
<button class="button" onclick="addChar('c')">c</button>
<button class="button" onclick="addChar('v')">v</button>
<button class="button" onclick="addChar('b')">b</button>
<button class="button" onclick="addChar('n')">n</button>
<button class="button" onclick="addChar('m')">m</button>
<button class="button2" onclick="addChar('-')">-</button>
<button class="button2" onclick="addChar('=')">=</button>
<button class="button2" onclick="addChar('/')">/</button>
<br />
<button class="button" onclick="backspace()">Delete</button>
<button class="button" onclick="addChar(' ')">Space</button>
<button class="button" onclick="clearInput()">Clear</button>
<button class="button2" onclick="addChar('?')">?</button>
<button class="button2" onclick="addChar(',')">,</button>
<button class="button2" onclick="addChar('.')">.</button>
<br>
<script>
function addChar(char) {
document.getElementById("input").value += char;
}
function backspace() {
var input = document.getElementById("input");
input.value = input.value.slice(0, -1);
}
function clearInput() {
document.getElementById("input").value = "";
}
</script>
</body>
</html>
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