feat: updates 1st/2nd nums

This commit is contained in:
Mike 2023-10-04 21:52:07 -04:00
parent 56e16c3741
commit c75625be29
2 changed files with 89 additions and 36 deletions

View file

@ -15,25 +15,25 @@
0
</div>
<div class="buttons">
<button id="clear" class="btn" value="cls">A/C</button>
<button id="action" class="btn" value="+/-">+/-</button>
<button id="action" class="btn" value="%">%</button>
<button id="action" class="btn" value="÷">÷</button>
<button class="btn" value="7">7</button>
<button class="btn" value="8">8</button>
<button class="btn" value="9">9</button>
<button id="action" class="btn" value="*">*</button>
<button class="btn" value="4">4</button>
<button class="btn" value="5">5</button>
<button class="btn" value="6">6</button>
<button id="action" class="btn" value="-">-</button>
<button class="btn" value="1">1</button>
<button class="btn" value="2">2</button>
<button class="btn" value="3">3</button>
<button id="action" class="btn" value="+">+</button>
<button id="zero" class="btn" value="0">0</button>
<button id="decimal" class="btn" value=".">.</button>
<button id="action" class="btn" value="=">=</button>
<button id="clear" class="btn" value="cls" data-clear="">A/C</button>
<button id="action" class="btn" value="+/-" data-negate="">+/-</button>
<button id="action" class="btn" value="%" data-ops="">%</button>
<button id="action" class="btn" value="÷" data-ops="">÷</button>
<button class="btn" value="7" data-num="">7</button>
<button class="btn" value="8" data-num="">8</button>
<button class="btn" value="9" data-num="">9</button>
<button id="action" class="btn" value="*" data-ops="">*</button>
<button class="btn" value="4" data-num="">4</button>
<button class="btn" value="5" data-num="">5</button>
<button class="btn" value="6" data-num="">6</button>
<button id="action" class="btn" value="-" data-ops="">-</button>
<button class="btn" value="1" data-num="">1</button>
<button class="btn" value="2" data-num="">2</button>
<button class="btn" value="3" data-num="">3</button>
<button id="action" class="btn" value="+" data-ops="">+</button>
<button id="zero" class="btn" value="0" data-num="">0</button>
<button id="decimal" class="btn" value="." data-num="">.</button>
<button id="action" class="btn" value="=" data-ops="">=</button>
</div>
</div>
<script src="js/script.js"></script>

View file

@ -1,13 +1,32 @@
let firstNum = undefined;
let secondNum = undefined;
let operator = undefined;
let screen = document.querySelector('.screen');
const buttons = document.querySelectorAll('.btn');
const ops = {
firstNum: String(),
secondNum: String(),
operator: undefined,
numFlag: false,
updateNum: (num) => {
if (!this.updateSecondNum){
this.firstNum = num;
} else {
this.secondNum = num;
}
},
toggleNumFlag: function() {
this.numFlag = !this.numFlag
},
clear: function(){
this.firstNum = Number();
this.secondNum = Number();
this.operator = undefined;
this.numFlag = false;
}
};
function add(x, y) {
return Number(x + y);
return x + y;
}
function subtract(x, y) {
@ -41,21 +60,55 @@ function operate(firstNum, secondNum, operator) {
}
function updateDisplay(displayValue) {
let currentScreen = screen.textContent.trim();
console.log(currentScreen);
if (currentScreen.length >= 8) return;
if (Number(currentScreen) === 0) {
screen.textContent = displayValue;
} else {
screen.textContent += displayValue;
}
function calculator(event){
if(event.target.dataset.ops === "") {
// TODO handle ops for = or clear
// TODO other ops should indicate a swap to second number
ops.operator = event.target.value;
//TODO fix this conditional should be if numFlag and a check if = or additional ops
if(ops.secondNum){
console.log(operate(ops.firstNum, ops.secondNum, ops.operator));
console.log(ops.operator);
} else {
ops.toggleNumFlag();
console.log(ops.numFlag);
console.log('set second num');
}
}
else if(event.target.dataset.num === "") {
if(!ops.numFlag) {
ops.firstNum += event.target.value;
updateDisplay(ops.firstNum);
} else {
ops.secondNum += event.target.value;
updateDisplay(ops.secondNum);
}
}
// if (currentScreen.length >= 8) return;
}
buttons.forEach(btn => {
btn.addEventListener('click', e => {
updateDisplay(e.target.value);
});
btn.addEventListener('click', calculator);
});
/*
user imputs 1stNumber up to 8 digits or until user presses operator
number should be stored. each input evauluating for operator
1st number constantly updating
operator stored
user then enters 2nd Number up to 8 digits or until operator pressed
if user presses equals result is stored
if user presses operator result is saved to 1st number
*/