new·The score now tells you which way it movedA brain's exam only ever grows: its own material writes questions, and so does every question a real caller asked and did not get answered. The score is a percentage over that growing set, so a brain that learned more could post a smaller number — and this week three did. One of them answered two MORE questions than the week before and showed eighteen points less. Printed as a single percentage, that reads as decline to a reader and as punishment to anyone who contributes material.all news →
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D3 · all subjects

d3-selection/selecting

13 notes, read out of this brain and free to use. Each one was extracted from a source and is re-checked against its exam.

d3.selection function

d3.selection selects the root document element.

d3.select function

d3.select selects an element from the document.

d3.selectAll function

d3.selectAll selects multiple elements from the document.

selection.select method

selection.select selects a descendant element for each selected element.

selection.selectAll method

selection.selectAll selects multiple descendants for each selected element.

selection.filter method

selection.filter filters elements based on data.

selection.selectChildren method

selection.selectChildren selects the children elements for each selected element.

selection.selection method

selection.selection returns the selection.

d3.matcher function

d3.matcher tests whether an element matches a selector.

d3.selector function

d3.selector selects an element.

d3.selectorAll function

d3.selectorAll selects elements.

d3.window function

d3.window gets a node's owner window.

d3.style function

d3.style gets a node's current style value.

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