31 thumbnail: {},
32}
33
34let rightColumn, streamChatArea;35let chatArea;
36let inputArea, inputSendButton;
37let iconSelectorParent, iconSelectorPosition;
32}
33
34let rightColumn, streamChatArea;
35let chatArea;36let inputArea, inputSendButton;
37let iconSelectorParent, iconSelectorPosition;
38let iconArea;
33
34let rightColumn, streamChatArea;
35let chatArea;
36let inputArea, inputSendButton;37let iconSelectorParent, iconSelectorPosition;
38let iconArea;
39let profileArea;
34let rightColumn, streamChatArea;
35let chatArea;
36let inputArea, inputSendButton;
37let iconSelectorParent, iconSelectorPosition;38let iconArea;
39let profileArea;
40
34let rightColumn, streamChatArea;
35let chatArea;
36let inputArea, inputSendButton;
37let iconSelectorParent, iconSelectorPosition;38let iconArea;
39let profileArea;
40
In JavaScript, variables can be assigned during declaration, or at any point afterwards using an assignment statement. For example, in the following code, foo
is initialized during declaration, while bar
is initialized later.
var foo = 1;
var bar;
if (foo) {
bar = 1;
} else {
bar = 2;
}
function foo() {
var bar;
let baz;
}
function foo() {
var bar = 1;
let baz = 2;
const qux = 3;
}