create-fake-element.js
895 字节
/**
* Creates a fake textarea element with a value.
* @param {String} value
* @return {HTMLElement}
*/
export default function createFakeElement(value) {
const isRTL = document.documentElement.getAttribute('dir') === 'rtl';
const fakeElement = document.createElement('textarea');
// Prevent zooming on iOS
fakeElement.style.fontSize = '12pt';
// Reset box model
fakeElement.style.border = '0';
fakeElement.style.padding = '0';
fakeElement.style.margin = '0';
// Move element out of screen horizontally
fakeElement.style.position = 'absolute';
fakeElement.style[isRTL ? 'right' : 'left'] = '-9999px';
// Move element to the same position vertically
let yPosition = window.pageYOffset || document.documentElement.scrollTop;
fakeElement.style.top = `${yPosition}px`;
fakeElement.setAttribute('readonly', '');
fakeElement.value = value;
return fakeElement;
}