d3.selection()
Selects the root element, document.documentElement. This function can also be used to test for selections (instanceof d3.selection) or to extend the selection prototype. For example, to add a method to check checkboxes:
1 2 3 4 5 | d3.selection.prototype.checked = function(value) { return arguments.length < 1 ? this.property("checked") : this.property("checked", !!value);}; |
And then to use:
1 | d3.selectAll("input[type=checkbox]").checked(true); |
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