learning_cesium/css/getElement.js

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JavaScript
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2024-03-19 18:06:25 +08:00
define([
'../Core/DeveloperError'
], function(
DeveloperError) {
'use strict';
/**
* If element is a string, look up the element in the DOM by ID. Otherwise return element.
*
* @private
*
* @exception {DeveloperError} Element with id "id" does not exist in the document.
*/
function getElement(element) {
if (typeof element === 'string') {
var foundElement = document.getElementById(element);
//>>includeStart('debug', pragmas.debug);
if (foundElement === null) {
throw new DeveloperError('Element with id "' + element + '" does not exist in the document.');
}
//>>includeEnd('debug');
element = foundElement;
}
return element;
}
return getElement;
});