vue中method呼叫另一個method獲取不到引數的問題
阿新 • • 發佈：2018-12-19
this.$options.methods.fun2();fun2（）獲取不到引數，為underfind，改為如下即可。
this.fun2()以下為完整程式碼：
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/vue.js"></script> <title>RunJS 演示程式碼</title> </head> <body> <div id="helloApp"> {{test}} <button @click="fun1"> te</button> </div> </body> <script> var helloApp = new Vue({ el: "#helloApp", data: { test: "200" }, methods: { fun1() { this.test = "300" this.fun2() }, fun2() { alert(this.test) this.test = "400" } } }) </script>