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console 命令行工具 X clear

                    
>
console
window.onload = function(){
  // document.querySelector('#test').click()
   // IE
    if(document.all) {
        document.getElementById("test").click();
    }
    // 其它浏览器
    else {
        var e = document.createEvent("MouseEvents");
        e.initEvent("click", true, true);
        document.getElementById("test").dispatchEvent(e);
    }
} 
// window.location.href = "400-0000-688"
<a href="tel:17711069103" id="test">17711069103</a>
<!-- <a href="tel:400-0000-688" id="clickMe" οnclick="alert('clicked');">触发onclick</a> -->