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3 files changed

+194
-4
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‎bjs/07_Number_and_string/index.html

Lines changed: 69 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -15,11 +15,79 @@
1515
<div class="form-group">
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<div class="card" id="calc">
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<div class="card-body">
18+
<div class="row no-gutters">
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<input class="form-control input-window" id="display">
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</div>
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<input class="form-control input-window" id="inputWindow" value="">
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<div class="row no-gutters">
20-
<div class="col">
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<div class="col buttonC">
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<button class="btn btn-outline-danger form-control" id="btn_clr">C</button>
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</div>
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</div>
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<div class="row no-gutters">
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<div class="col">
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<button class="btn btn-outline-primary form-control" id="btn_1">1</button>
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</div>
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<div class="col">
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<button class="btn btn-outline-primary form-control" id="btn_2">2</button>
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</div>
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<div class="col">
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<button class="btn btn-outline-primary form-control" id="btn_3">3</button>
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</div>
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<div class="col">
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<button class="btn btn-outline-primary form-control" id="btn_plus">+</button>
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</div>
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</div>
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<div class="row no-gutters">
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<div class="col">
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<button class="btn btn-outline-primary form-control" id="btn_4">4</button>
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</div>
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<div class="col">
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<button class="btn btn-outline-primary form-control" id="btn_5">5</button>
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</div>
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<div class="col">
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<button class="btn btn-outline-primary form-control" id="btn_6">6</button>
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</div>
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<div class="col">
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<button class="btn btn-outline-primary form-control" id="btn_minus">-</button>
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</div>
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</div>
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<div class="row no-gutters">
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<div class="col">
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<button class="btn btn-outline-primary form-control" id="btn_7">7</button>
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</div>
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<div class="col">
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<button class="btn btn-outline-primary form-control" id="btn_8">8</button>
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</div>
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<div class="col">
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<button class="btn btn-outline-primary form-control" id="btn_9">9</button>
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</div>
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<div class="col">
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<button class="btn btn-outline-primary form-control" id="btn_times">*</button>
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</div>
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</div>
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<div class="row no-gutters">
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<div class="col">
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<button class="btn btn-outline-primary form-control" id="btn_0">0</button>
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</div>
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<div class="col">
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<button class="btn btn-outline-primary form-control" id="btn_diveded">/</button>
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</div>
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<div class="col">
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<button class="btn btn-outline-primary form-control" id="btn_root">sqrt</button>
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</div>
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<div class="col">
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<button class="btn btn-outline-primary form-control" id="btn_calc">=</button>
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</div>
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</div>
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<div class="row no-gutters">
84+
<div class="col">
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<button class="btn btn-outline-primary form-control" id="btn_minusNumber">-N</button>
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</div>
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<div class="col">
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<button class="btn btn-outline-primary form-control" id="btn_realNumber">.</button>
89+
</div>
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</div>
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</div>
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</div>
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</div>

‎bjs/07_Number_and_string/script.js

Lines changed: 99 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -1,12 +1,108 @@
11
let lastOperand = 0;
22
let operation = null;
33

4+
const display = document.getElementById('display');
45
const inputWindow = document.getElementById('inputWindow');
56

6-
77
document.getElementById('btn_clr').addEventListener('click', function () {
88
lastOperand = 0;
99
operation = null;
10-
inputWindow.value = '';
11-
})
10+
inputWindow.value = 0;
11+
});
12+
13+
function number(n){return document.getElementById('btn_'+n).addEventListener('click', function () {
14+
inputWindow.value +=n;
15+
inputWindow.value = parseInt(inputWindow.value, 10)})
16+
};
17+
18+
number (0);
19+
number (1);
20+
number (2);
21+
number (3);
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number (4);
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number (5);
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number (6);
25+
number (7);
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number (8);
27+
number (9);
28+
29+
document.getElementById('btn_plus').addEventListener('click', function () {
30+
lastOperand = parseFloat(inputWindow.value);
31+
operation = "plus";
32+
inputWindow.value = 0;
33+
});
34+
document.getElementById('btn_minus').addEventListener('click', function () {
35+
lastOperand = parseFloat(inputWindow.value);
36+
operation = "minus";
37+
inputWindow.value = 0;
38+
});
39+
document.getElementById('btn_times').addEventListener('click', function () {
40+
lastOperand = parseFloat(inputWindow.value);
41+
operation = "times";
42+
inputWindow.value = 0;
43+
});
44+
document.getElementById('btn_diveded').addEventListener('click', function () {
45+
lastOperand = parseFloat(inputWindow.value);
46+
operation = "diveded";
47+
inputWindow.value = 0;
48+
});
49+
document.getElementById('btn_root').addEventListener('click', function () {
50+
lastOperand = parseFloat(inputWindow.value);
51+
operation = "root";
52+
inputWindow.value = "sqrt("+ lastOperand+")";
53+
});
54+
document.getElementById('btn_realNumber').addEventListener('click', function () {
55+
lastOperand = parseFloat(inputWindow.value);
56+
operation = "realNumber";
57+
inputWindow.value = lastOperand/10;
58+
});
59+
document.getElementById('btn_minusNumber').addEventListener('click', function () {
60+
lastOperand = parseFloat(inputWindow.value);
61+
operation = "minusNumber";
62+
inputWindow.value = -lastOperand;
63+
});
64+
65+
document.getElementById('btn_calc').addEventListener('click', function () {
66+
if (operation === "plus"){
67+
const result1= lastOperand + "+" + parseFloat(inputWindow.value);
68+
const result= lastOperand + parseFloat(inputWindow.value);
69+
operation - null;
70+
lastOperand = 0;
71+
inputWindow.value = result;
72+
display.value = result1+ "=" + result;
73+
}
74+
if (operation === "minus"){
75+
const result1= lastOperand + "-" + parseFloat(inputWindow.value);
76+
const result= lastOperand - parseFloat(inputWindow.value);
77+
operation - null;
78+
lastOperand = 0;
79+
inputWindow.value = result;
80+
display.value = result1+ "=" + result;
81+
}
82+
if (operation === "times"){
83+
const result1= lastOperand + "*" + parseFloat(inputWindow.value);
84+
const result= lastOperand * parseFloat(inputWindow.value);
85+
operation - null;
86+
lastOperand = 0;
87+
inputWindow.value = result;
88+
display.value = result1+ "=" + result; }
89+
if (operation === "diveded"){
90+
const result1= lastOperand + "/" + parseFloat(inputWindow.value);
91+
const result= lastOperand / parseFloat(inputWindow.value);
92+
operation - null;
93+
lastOperand = 0;
94+
inputWindow.value = result;
95+
display.value = result1+ "=" + result;
96+
}
97+
if (operation === "root"){
98+
const result1="sqrt("+ lastOperand+")";
99+
const result= Math.sqrt(lastOperand);
100+
operation - null;
101+
lastOperand = 0;
102+
inputWindow.value = result;
103+
display.value = result1+ "=" + result;
104+
}
105+
});
106+
107+
12108

‎bjs/07_Number_and_string/style.css

Lines changed: 26 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -7,3 +7,29 @@
77
text-align: end;
88
font-size: x-large;
99
}
10+
11+
.row > input {
12+
background-color: DarkGray;
13+
color: azure;
14+
}
15+
16+
.card-body {
17+
background-color: BurlyWood;
18+
}
19+
20+
.col> button {
21+
background-color: Skyblue;
22+
color: black;
23+
}
24+
25+
.col {
26+
margin: 5px;
27+
}
28+
29+
.buttonC > button {
30+
background-color: Chocolate;
31+
}
32+
33+
input {
34+
margin: 5px 0;
35+
}

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