You can add an event listener to all the elements returned by a document.querySelectorAll() call by iterating over those results using the for..of loop:const buttons = document.querySelectorAll('#select .button') for (const button of buttons) { button.addEventListener('click', function (...
Example 3: Adding Event Listener to All ElementThis example shows how to use the querySelectorAll() method to select an element and add an event listener to all elements dynamically −Open Compiler <!DOCTYPE html> <html lang="en"> <head> <title>HTML DOM querySelectorAll() Method</...
整个流程与Redis的Pub和Sub过程类似 整个交互类似Socket的长连接，前台
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