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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Umeionaje Makala hii.. ?
Katika somo hili utajifunza jinsi ya kuandika variable. Hapa utajifunza sheria zinazohusu variable katika javascript
Soma Zaidi...Katika somo hili utakwenda kujifunza jinsi ya kutumia logical operator kwenye javascript. Katika somo hili tutakwenda kutumia mahesabu.
Soma Zaidi...Katika somo hili utakwenda kujifunza kuhusu javascript events. Event ni neno la Kiingereza lenye maana tukio wingi wake events kumaanisha matukio. Natumia ni kila ambacho kinatokea kwenye javascript.
Soma Zaidi...Katika somo hili tutakwenda kujifunza kuhusu user input. Somo hili litaangalia html form na attribute zake na jinsi zinavyohusiana na user input. Mwisho wa somo hili utaweza kutengeneza simple Calculator kwa kutumia javascript.
Soma Zaidi...Katika somo hilibtutakwenda kujifunza kuhusu loop. Katika programming tunaposema loop tunamaanisha ile hali ya program ku excute code zaidi na zaidi. Tofauti na kurudia rudia kuandika statement moja kwa ajili ya kupata matokeoa hayohayo basi unapotumia lo
Soma Zaidi...Katika somo hili utajifunza jinsi ya kupangilia muonekano wa maandishi (text) wakati wa ku out put matokeo ya code
Soma Zaidi...Katika somo hili utajifunz kuhusu baadhi ya function ambazo hutumika kwenye namba
Soma Zaidi...Katika somo hili tutakwenda kujifunza khusu while loop na do while loop.
Soma Zaidi...Katika somo hili utakwenda kujifunza sheria ama syntax za kuandika javascript. Hii itakuwezesha kuelwa zaidi code za javascript.
Soma Zaidi...Katika somo hili utajifunza jinsi ya kutumia forOfLoop. Hii ni aina ya loop ambayo yenyewe inahusisha item zote kwenye array.
Soma Zaidi...