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I am trying to delete a user from table USERS. Unfortunately, I keep getting sent to onSqlError. I can't figure out why. When I alert the request it gives me the correct name for the getTheId variable. Not too familiar with sql so maybe I have written something incorrectly. Any pointers appreciated.
// DELETE RECORD
function deleteRecord(getTheId){
deleteUser.onclick = (function () {//deleteUser is an element generated for each user when a button is clicked
var sqlStr2 = 'DELETE FROM USERS WHERE username = '+getTheId+'';
alert("SQL: " + sqlStr2); //This gives me the statement above with the correct name of the user clicked.
if (db){
console.log("db is there");//this logs
db.transaction(function(tx) {
tx.executeSql(sqlStr2);
}, onSqlError, onSqlSuccess); //THEN I GET SENT TO ERROR
}
});
}
Try this:
var sqlStr2 = "DELETE FROM USERS WHERE username = '"+getTheId+"'";
Try adding a ';' to the end of your statement, although without an error message it's hard to tell.
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So my javascript file looks like this:
$(document).ready(function() {
var map = {
url: window.location.pathname //get URL without domain
};
$.post("/php/SongOutput.php", {map}).done(function(data){
console.log(map); //Check that the map is correct
console.log(data); //Show the value of $_POST["url"];
})
});
And the bit of php is the following:
echo $_POST["url"];
Now, as you can see what I'm trying to do is sending the current url of the site to php. But the only output I get from console.log(data); is null. How can I fix this?
you need to remove {} from second argument
$.post("/php/SongOutput.php", map).done(function(data){
console.log(map); //Check that the map is correct
console.log(data); //Show the value of $_POST["url"];
})
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Closed 3 years ago.
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I am creating a email checker to see if the email inputed on the front end is excactly the same email in the backend. I have managed to get both the front and back end emails but everytime i check them it return false, even though they are the same values. I am using Object.is to checck if the vaues are the same,I've also tried the typical (data.email === user.email ) approach but it stills returns false even though, the values are the same.
router.get('/checkemail',(req,res)=>{
let data = req.query;
console.log(data)
User.findOne({
username: data.username,
},function(error,user){
if(error){
res.status(401).send(error)
} else if(Object.is(user.email, data.email)) {
res.status(200).send(true)
} else {
res.status(401).send(false)
}
})
})
Can you try use trim() function on each param of the object.is ?
Object.is(user.email.trim(), data.email.trim())
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Closed 4 years ago.
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<body>
<h1>Operadores aritméticos</h1>
<h3>+ Adición (102+103)=</h3><p id="suma1"></p>
<h3>- Substracción</h3><p id="resta1"></p>
<h3>* Multiplicación</h3><p id="multi1"></p>
<h3>/ División</h3><p id="div1"></p>
<h3>% Módulo</h3><p id="mod1"></p>
<script>
var suma = (102+103);
var resta = (36-20);
var multiplicación = (27*30);
var división = (900/30);
var módulo = (106%3);
document.getElementById("suma1").innerHTML = suma;
document.getElementById("resta1")innerHTML = resta;
document.getElementById("multi1")innerHTML = multiplicación;
document.getElementById("div1")innerHTML = división;
document.getElementById("mod1")innerHTML = módulo;
</script>
Hello guys, I have a problem, im pretty new at this (programming with HTML, Js, etc.).The issue is that when I try to make my Js variables appear on HTML (with document.getElementById), they do not appear. Nevertheless, if erase every document.getElementById except the one containing "suma1", the browser displays me the result of the sum (205), but if I add even one of them, the browser doesn´t display anything.
I hope I was clear with my problem, it seems very simple but hard to explain.
Any suggestions?
Thanks in advance
The reason you're not seeing anything when you add the statements to populate resta1, multi1, div1, and mod1 is probably because they all have a syntax error. This is likely causing even the first statement (suma1, which is syntactically valid) not to work.
Valid Statement
The 1 statement that is working is document.getElementById("suma1").innerHTML = suma;
Invalid statements
All the other statements follow this pattern:
document.getElementById("id")innerHtml = variable;
Note that you're missing the . between getElementById("id") and innerHtml. If you add the missing . then it should all work as expected.
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Closed 4 years ago.
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I'm trying to make an alert, that prints the value of a variabile, here is my attempt.
var username = prompt("I'm LaunchBot, what's your name?");
var print = alert() ;
alert() is a function. It take a parameter between the parenthesis. So just insert your variable username between them:
var username = prompt("I'm LaunchBot, what's your name?");
alert(username) ;
As suggested in the comment alert() doesn't return anything so do not add a variable assignment before.
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Closed 9 years ago.
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I am tying to add a property to a JS object inside a function. I can do it outside but not inside. Please explain. Sorry. I am missing something very basic here.
var newobj = {'prop1' : 12, 'prop2' : 25};
myfunc(newobj);
function myfunc(someobj) {
someobj.prop3 = 45;
}
This gives a syntax error.
Chances are something else is interfering because it works for me.
If you dump newobj before the function call you get:
{"prop1":12,"prop2":25}
And after the function call:
{"prop1":12,"prop2":25,"prop3":45}
As you can see, the new property has been added.
I would suggest either looking at what you have more closesly (make sure you're not copying the value and then passing it) or add some console.log call in your code as it goes through. You can also, in most of the browsers, use the debugger to step through the code to see where it may be fouled.