commit by magit in emacs@2022-09-06 16:18:45

2022-09-06 16:18:46 +08:00 · 2022-09-06 16:18:46 +08:00 · cc5a2e6984
parent 65289cdfc5
commit cc5a2e6984
1 changed files with 3 additions and 0 deletions
--- a/js/jQueryFreq.js
+++ b/js/jQueryFreq.js
@ -213,3 +213,6 @@ var list = document.getElementsByClassName("node");
 for (let item of list) {
    console.log(item.textContent);
 }
+
+// obj是否有某个属性
+obj.hasOwnProperty("attr");