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Add docstring to bind_box_to_button, and some small linting.

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This commit is contained in:
voussoir 2020-06-30 20:32:29 -07:00
parent 6a41b18ba7
commit bacdad07a6
1 changed files with 13 additions and 9 deletions
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22
frontends/ycdl_flask/static/js/common.js
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@ -13,14 +13,10 @@ function _request(method, url, callback)
request.onreadystatechange = function() request.onreadystatechange = function()
{ {
if (request.readyState != 4) if (request.readyState != 4)
{ {return;}
return;
}
if (callback == null) if (callback == null)
{ {return;}
return;
}
if (request.status != 0) if (request.status != 0)
{ {
@ -55,14 +51,22 @@ function post(url, data, callback)
common.bind_box_to_button = common.bind_box_to_button =
function bind_box_to_button(box, button, ctrl_enter) function bind_box_to_button(box, button, ctrl_enter)
{ {
// Thanks Yaroslav Yakovlev /*
// http://stackoverflow.com/a/9343095 Bind a textbox to a button so that pressing Enter within the textbox is the
same as clicking the button.
If `ctrl_enter` is true, then you must press ctrl+Enter to trigger the
button, which is important for textareas.
Thanks Yaroslav Yakovlev
http://stackoverflow.com/a/9343095
*/
var bound_box_hook = function(event) var bound_box_hook = function(event)
{ {
if (event.key !== "Enter") if (event.key !== "Enter")
{return;} {return;}
ctrl_success = !ctrl_enter || (event.ctrlKey) ctrl_success = !ctrl_enter || (event.ctrlKey);
if (! ctrl_success) if (! ctrl_success)
{return;} {return;}