javascript: array.push works the first time, subsequent call errors with "array.push is not a function"

Question

I'm having a problem getting .push to add an additional value to an array on any push beyond the first.

var player_score = [];

function updatePlayerScore(x) {
    player_score.push(x);
    console.log(player_score);
}

The first time I call updatePlayerScore(x) with a value of 2, the array is successfully updated with [2] and displays in the console.

The next time I call updatePlayerScore(x) with any value (i.e. 4) an error is thrown "Uncaught TypeError: player_score.push is not a function"

It's most likely correct, in that .push() is not a function. Is there changing the reference of player_score? — TomLingham
– TomLingham, Commented Sep 24, 2016 at 4:45
Thank you for the direction - there was a change of reference to player_score in a seperate function that was causing the issue. I was able to comment out the line of code and the push worked correctly. — Joe G
– Joe G, Commented Sep 24, 2016 at 4:53
Just a wild guess but maybe the problem is that player_score.push is not a function. — user663031
– user663031, Commented Sep 24, 2016 at 5:31

kingshuk basak · Accepted Answer · 2016-09-24 04:45:44Z

1

It is absolutely working fine unless you have changed the player_score reference between two calls. Please check your code for usage of player_score variable.

var player_score = [];

function updatePlayerScore(x) {
    player_score.push(x);
    console.log(player_score);
}
updatePlayerScore(2);
updatePlayerScore(4);

answered Sep 24, 2016 at 4:45

kingshuk basak

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1 Comment

Joe G Over a year ago

Thank you for the help - I was able to find the issue further down in another function.

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