placeholder兼容360 ie

//根据网上的做了一下修改,希望对大家有用

$(function(){
    JPlaceHolder.init();
})

var JPlaceHolder = {
        //检测
        _check : function(){
            return ‘placeholder‘ in document.createElement(‘input‘);
        },
        //初始化
        init : function(){
            if(!this._check()){
                this.fix();
            }
        },
        //修复
        fix : function(){
            $(‘[placeholder]‘).focus(function() {
                var input = $(this);
                if (input.val() == input.attr(‘placeholder‘)) {
                    input.val(‘‘);
                    input.removeClass(‘placeholder‘);
                }
            }).blur(function() {
                var input = $(this);
                if (input.val() == ‘‘ || input.val() == input.attr(‘placeholder‘)) {
                    input.addClass(‘placeholder‘);
                    input.val(input.attr(‘placeholder‘));
                }
            }).blur();
        }
    };