colocar un elemento con una separación determinada con respecto a otro in javascript

To place an element with a specific spacing with respect to another element, you can use positioning in CSS.

First, identify the element you want to place and the element it should be spaced from. Then, apply CSS positioning to the first element.

For example, if you want to place element1 with a spacing of 20 pixels from element2, you could use the following CSS:

#element1 {
  position: relative;
  left: 20px; /* or right: 20px; depending on where you want the space */
}
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The position: relative; sets the element to be positioned relative to its normal position. The left: 20px; moves the element 20 pixels to the right from its normal position, creating the spacing you want.

Make sure that the parent element of both element1 and element2 has a positioning value that is not static. Otherwise, the positioning will not work as expected.