BootstrapCalculator/custom.js at main · BatoolAmina/BootstrapCalculator · GitHub

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document.querySelector('#clear').addEventListener("click", ()=>{
    document.querySelector("#display").value = " ";
});

const backSpace = () => {
    const num = document.querySelector("#display").value.slice(0, -1);
    document.querySelector('#display').value = num;
}

const one = () =>{
    if(document.querySelector("#display").value == " "){
        if(document.querySelector("#display").value == "1");
    }
    else{
        document.querySelector("#display").value = document.querySelector("#display").value + "1";
    }
}

const two = () =>{
    if(document.querySelector("#display").value == " "){
        if(document.querySelector("#display").value == "2");
    }
    else{
        document.querySelector("#display").value = document.querySelector("#display").value + "2";
    }
}

const three = () =>{
    if(document.querySelector("#display").value == " "){
        if(document.querySelector("#display").value == "3");
    }
    else{
        document.querySelector("#display").value = document.querySelector("#display").value + "3";
    }
}

const four = () =>{
    if(document.querySelector("#display").value == " "){
        if(document.querySelector("#display").value == "4");
    }
    else{
        document.querySelector("#display").value = document.querySelector("#display").value + "4";
    }
}

const five = () =>{
    if(document.querySelector("#display").value == " "){
        if(document.querySelector("#display").value == "5");
    }
    else{
        document.querySelector("#display").value = document.querySelector("#display").value + "5";
    }
}

const six = () =>{
    if(document.querySelector("#display").value == " "){
        if(document.querySelector("#display").value == "6");
    }
    else{
        document.querySelector("#display").value = document.querySelector("#display").value + "6";
    }
}

const seven = () =>{
    if(document.querySelector("#display").value == " "){
        if(document.querySelector("#display").value == "7");
    }
    else{
        document.querySelector("#display").value = document.querySelector("#display").value + "7";
    }
}

const eight = () =>{
    if(document.querySelector("#display").value == " "){
        if(document.querySelector("#display").value == "8");
    }
    else{
        document.querySelector("#display").value = document.querySelector("#display").value + "8";
    }
}

const nine = () =>{
    if(document.querySelector("#display").value == " "){
        if(document.querySelector("#display").value == "9");
    }
    else{
        document.querySelector("#display").value = document.querySelector("#display").value + "9";
    }
}

const zero = () =>{
    if(document.querySelector("#display").value == " "){
        if(document.querySelector("#display").value == "0");
    }
    else{
        document.querySelector("#display").value = document.querySelector("#display").value + "0";
    }
}

const point = () =>{
    if(document.querySelector("#display").value == " "){
        if(document.querySelector("#display").value == ".");
    }
    else{
        document.querySelector("#display").value = document.querySelector("#display").value + ".";
    }
}